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A BIG Thank-you to the mods here!


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#1 Ez Duzit

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Posted 20 May 2009 - 02:06 PM

My pc got seriously infected yesterday, and Bit Defender kept popping up messages every few minutes about virus's being blocked. So I did a complete scan which found a number of things, and I let the AV delete all of them. But it wasn't good enough, and I continued to get the messages. So I fired up Malwarebytes' Anti-Malware, but I kept getting a server error when I tried to update it prior to scanning. Then I tried updating SpyBot and Adaware but both had the same problem, a message saying no server access, even though I was able to go online. So I borrowed my friends laptop, and after a few hours on google, I finally came up with a similar problem someone posted here in February.

In that post, Boopme explained that you can update Malwarebytes' Anti-Malware on another [clean] pc, and then go to, "C:\Documents and Settings\All Users\Application Data\Malwarebytes\Malwarebytes' Anti-Malware", and copy the updated rules.ref file to a usb drive. Xfer that file to the same location on the infected pc, which effectively updates the program. I'm happy to say that did the trick. Scanning with the updated software found some serious nasties, and I was able to delete em all (see screenshot below). But once I rebooted, I found out I had no more internet access. (It's never that easy with computers, is it?) Anyway, after referring to the malwarebytes screenshot, I figured I needed to reset the dns. A few keyboard clicks later, and sure as Bobs yer uncle, I'm back online with a seemingly clean pc. All scans from Bit defender, malwarebytes' anti-malware, and spybot are clean.

So a big thank you to boopme, and to all the mods here for what you do. You guys rock!

I do have one quick question though. Even though my scans are all clean now, should I post a DDS, or hijackThis log, in the appropriate sub forum, just to make sure I'm completely uninfected? Or in your opinion, is it not necessary?



Ez Duzit



I guess you could say I had a few different things going on.....


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#2 xblindx

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Posted 20 May 2009 - 02:52 PM

Could you post the LOG from that run of MBAM?
  • When removal is completed, a log report will open in Notepad.
  • The log is automatically saved and can be viewed by clicking the Logs tab in MBAM.
  • Copy and paste the contents of that report in your next reply and exit MBAM.
Note: If MBAM encounters a file that is difficult to remove, you may be asked to reboot your computer so it can proceed with the disinfection process. Regardless if prompted to restart the computer or not, please do so immediately. Failure to reboot normally (not into safe mode) will prevent MBAM from removing all the malware. MBAM may make changes to your registry as part of its disinfection routine. If you're using other security programs that detect registry changes, they may alert you after scanning with MBAM. Please permit the program to allow the changes.

Please include the following in your reply:
MBAM log

#3 Ez Duzit

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Posted 20 May 2009 - 03:27 PM

Here's the original log, (from same scan as screenshot). After running MBAM, and then rebooting, I ran a full scan just to be sure the quick scan got it all. Sure enough, it seems to have caught everything the first time around. The full scan came up clean.


Ez Duzit


Malwarebytes' Anti-Malware 1.36
Database version: 2157
Windows 5.1.2600 Service Pack 3

5/20/2009 8:22:03 AM
mbam-log-2009-05-20 (08-22-03).txt

Scan type: Quick Scan
Objects scanned: 91059
Time elapsed: 5 minute(s), 49 second(s)

Memory Processes Infected: 0
Memory Modules Infected: 0
Registry Keys Infected: 2
Registry Values Infected: 0
Registry Data Items Infected: 6
Folders Infected: 0
Files Infected: 3

Memory Processes Infected:
(No malicious items detected)

Memory Modules Infected:
(No malicious items detected)

Registry Keys Infected:
HKEY_CURRENT_USER\SOFTWARE\Microsoft\cs41275 (Malware.Trace) -> Quarantined and deleted successfully.
HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\gxvxcserv.sys (Trojan.Agent) -> Quarantined and deleted successfully.

Registry Values Infected:
(No malicious items detected)

Registry Data Items Infected:
HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\Tcpip\Parameters\NameServer (Trojan.DNSChanger) -> Data: 85.255.112.77,85.255.112.206 -> Quarantined and deleted successfully.
HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\Tcpip\Parameters\Interfaces\{5eaa2c54-f27b-4b7e-92ea-dc12fa83b5d7}\NameServer (Trojan.DNSChanger) -> Data: 85.255.112.77,85.255.112.206 -> Quarantined and deleted successfully.
HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Services\Tcpip\Parameters\NameServer (Trojan.DNSChanger) -> Data: 85.255.112.77,85.255.112.206 -> Quarantined and deleted successfully.
HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Services\Tcpip\Parameters\Interfaces\{5eaa2c54-f27b-4b7e-92ea-dc12fa83b5d7}\NameServer (Trojan.DNSChanger) -> Data: 85.255.112.77,85.255.112.206 -> Quarantined and deleted successfully.
HKEY_LOCAL_MACHINE\SYSTEM\ControlSet003\Services\Tcpip\Parameters\NameServer (Trojan.DNSChanger) -> Data: 85.255.112.77,85.255.112.206 -> Quarantined and deleted successfully.
HKEY_LOCAL_MACHINE\SYSTEM\ControlSet003\Services\Tcpip\Parameters\Interfaces\{5eaa2c54-f27b-4b7e-92ea-dc12fa83b5d7}\NameServer (Trojan.DNSChanger) -> Data: 85.255.112.77,85.255.112.206 -> Quarantined and deleted successfully.

Folders Infected:
(No malicious items detected)

Files Infected:
C:\RECYCLER\S-1-5-21-1844237615-884357618-725345543-1003\Dc29.exe (Trojan.DNSChanger) -> Quarantined and deleted successfully.
C:\WINDOWS\Help\Connect.exe (Adware.Agent) -> Quarantined and deleted successfully.
C:\RECYCLER\S-4-4-20-100008146-100019628-100016442-2349.com (Trojan.Agent) -> Quarantined and deleted successfully.

Edited by Ez Duzit, 20 May 2009 - 03:30 PM.


#4 xblindx

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Posted 20 May 2009 - 06:30 PM

I have a feeling that it isn't completely gone.

Download and Run FlashDisinfector

You may have a flash drive infection. These worms travel through your portable drives. If they have been connected to other machines, they may now be infected.
  • Please download Flash_Disinfector.exe by sUBs and save it to your desktop.
  • Double-click Flash_Disinfector.exe to run it and follow any prompts that may appear.
    Note: Some security programs will flag Flash_Disinfector as being some sort of malware, you can safely ignore these warnings.
  • The utility may ask you to insert your flash drive and/or other removable drives including your mobile phone. Please do so and allow the utility to clean up those drives as well.
  • Wait until it has finished scanning and then exit the program.
  • Reboot your computer when done.

    Note: Flash_Disinfector will create a hidden folder named autorun.inf in each partition and every USB drive plugged in when you ran it. Don't delete this folder. It will help protect your drives from future infection.


    Please download DrWeb-CureIt and save it to your desktop. DO NOT perform a scan yet.

    Reboot your computer in "Safe Mode" using the F8 method. To do this, restart your computer and after hearing your computer beep once during startup (but before the Windows icon appears) press the F8 key repeatedly. A menu will appear with several options. Use the arrow keys to navigate and select the option to run Windows in "Safe Mode".

    Scan with Dr.Web CureIt as follows:[list]
  • Double-click on drweb-cureit.exe to start the program.
  • Cancel any prompts to download the latest CureIt version and click Start.
  • At the prompt to "Start scan now", click Ok. Allow the setup.exe/driver to load if asked by any of your security programs.
  • The Express scan will automatically begin.
    (This is a short scan of files currently running in memory, boot sectors, and targeted folders).
  • If prompted to download the Full version Free Trial, just ignore and click the X to close the window.
  • If an infected object is found, you will be prompted to move anything that cannot be cured. Click Yes to All.
  • When complete, click Select All, then choose Cure > Move incurable.
    (This will move any detected files to the C:\Documents and Settings\userprofile\DoctorWeb\Quarantine folder if they can't be cured)
  • Now put a check next to Complete scan to scan all local disks and removable media.
  • In the top menu, click Settings > Change settings, and UNcheck "Heuristic analysis" under the "Scanning" tab, then click Ok.
  • Back at the main window, click the green arrow "Start Scanning" button on the right under the Dr.Web logo.
  • When the scan is complete, a message will be displayed at the bottom indicating if any viruses were found.
  • Click "Yes to all" if asked to cure or move the file(s) and select "Move incurable".
  • In the top menu, click file and choose save report list.
  • Save the DrWeb.csv report to your desktop.
  • Exit Dr.Web Cureit when done.
  • Important! Reboot your computer because it could be possible that files in use will be moved/deleted during reboot.
  • After reboot, post the contents of the log from Dr.Web in your next reply. (You can use Notepad to open the DrWeb.cvs report)

Edited by xblindx, 20 May 2009 - 06:32 PM.


#5 Ez Duzit

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Posted 22 May 2009 - 12:18 AM

I was 1000% sure my usb drives were clean and they were according to Flash_Disinfector.

Dr.Web CureIt initial scan (express scan) found nothing. But after starting the complete scan I walked away for a bit. When I came back 20 minutes later, there was an error message. "bwpft.exe encountered problems and needs to close. " I can't find anything on the web about what the heck bwpft.exe is, but it's obviously a component of Dr.Web CureIt.

Edited by Ez Duzit, 22 May 2009 - 12:53 AM.


#6 xblindx

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Posted 22 May 2009 - 06:38 AM

Hmm. That's odd. Did you run it in safe mode? If you did, try running it in normal mode now.

#7 Ez Duzit

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Posted 23 May 2009 - 05:38 AM

The first time I tried the complete scan, I was in safe mode when it didn't finish. But it ran ok with normal startup. Took almost 8 hours to scan 3 separate physical drives, C: D: and E:, but it finished. Found 3 things. The first was a harmless joke program I was aware of. The next two were duplicates, located in the respective recycle bins for my D: and E: drives. Maybe remnants of something long ago deleted?

Here's the DrWeb.csv file.

A0135741.exe;C:\System Volume Information\_restore{ACD7052C-4513-479B-806B-E7B4028049DD}\RP423;Joke.WinDel;Moved.;
S-4-4-20-100008146-100019628-100016442-2349.com;D:\RECYCLER;BackDoor.Tdss.119;Deleted.;
S-4-4-20-100008146-100019628-100016442-2349.com;E:\RECYCLER;BackDoor.Tdss.119;Deleted.;

#8 xblindx

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Posted 23 May 2009 - 07:53 AM

IMPORTANT NOTE: One or more of the identified infections was a backdoor Trojan. Backdoor Trojans, IRCBots and Infostealers are very dangerous because they provide a means of accessing a computer system that bypasses security mechanisms and steal sensitive information like passwords, personal and financial data which they send back to the hacker. Remote attackers use backdoor Trojans as part of an exploit to gain unauthorized access to a computer and take control of it without your knowledge. Read Danger: Remote Access Trojans.

If your computer was used for online banking, has credit card information or other sensitive data on it, all passwords should be changed immediately to include those used for banking, email, eBay, paypal and online forums. You should consider them to be compromised. They should be changed by using a different computer and not the infected one. If not, an attacker may get the new passwords and transaction information. If using a router, you need to reset it with a strong logon/password so the malware cannot gain control again. and credit card institutions should be notified of the possible security breach. Because your computer was compromised please read How Do I Handle Possible Identify Theft, Internet Fraud and CC Fraud?

Although the infection was identified and removed, your PC has likely been compromised and there is no way to be sure the computer can ever be trusted again. It is dangerous and incorrect to assume that because this malware has been removed the computer is now secure. In some instances an infection may have caused so much damage to your system that it cannot be completely cleaned or repaired. The malware may leave so many remnants behind that security tools cannot find them. Many experts in the security community believe that once infected with this type of malware, the best course of action is to wipe the drive clean, reformat and reinstall the OS. Please read:

"When should I re-format? How should I reinstall?"
"Help: I Got Hacked. Now What Do I Do?"
"Where to draw the line? When to recommend a format and reinstall?"


Please update MBAM and do a Full scan and post the log.

#9 Ez Duzit

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Posted 23 May 2009 - 10:52 AM

I'm not taking this lightly, and am seriously considering restoring a clean image I made to save some time with future installs. But I do have a few pertinent observations, and a few questions.

Everything that MBAM originally found was on my C: Drive, which is dedicated to my OS and most basic apps. Those nasty critters from this past episode were removed within hours of being infected. I am certain of that.
My D: and E: drives are separate physical hard drives, not partitions. When I D/L something it is always to one of those drives (updates and general surfing being the exception). Occasionally I will D/L an application, or program which I then determine to be high risk, and I delete it immediately without accessing it, and then scan my entire rig. I realize that sometimes, just by D/L the file, it's already to late, but I'm sure this small precaution has saved me on more then a few occasions.
The backdoor trojans in question were found in the recycle bins on the D: and E: drives, not my C: drive. That leads me to believe that they were from something I was suspicious of, and previously deleted some time ago, before it was ever accessed. But for whatever reason, neither BitDefender, nor MBAM found it, and I scan with both regularly. But Dr.Web CureIt did. That alone made the 7+ hour scan worth it.

I also checked out the links you posted, and they were very informative, but here's my question. Is it possible for those backdoor trojans to still be volatile, and cause damage from the recycle bin, when no other traces of them were detected anywhere else? Realistically speaking? I'm asking, because when something goes wrong on a pc I'm working on, if it's something I normally don't deal with, then it's a chance for me to learn something new.

Anyway, I will do another MBAM full scan, probably later today or tomorrow, and post the results. Regardless, I will change all my passwords today, and there's a chance I'll re-image my C: drive, and then reinstall all my apps over the weekend. It's just such a pita, but it's been over a year since the last time, so I guess I'm due. But I really am curious about the answer to my question.

I also want to say I appreciate your time, and am grateful for the help. Thank you.

Randy
aka: Ez Duzit


Edited for spelling

Edited by Ez Duzit, 23 May 2009 - 10:54 AM.


#10 xblindx

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Posted 23 May 2009 - 10:58 AM

Is it possible for those backdoor trojans to still be volatile, and cause damage from the recycle bin, when no other traces of them were detected anywhere else? Realistically speaking?


Realistically speaking, the trojans could still be active, but I highly doubt that because they were in the recycle bin and DrWeb seemed to have cleaned them up. There is probably a next to nothing chance that the infections that showed up in DrWeb are still active. A reformat is still always the best option no matter what type of infection you have. I would like to compliment you on your safety concerns and think it was a really smart idea how you used separate drives for downloads and checked them immediately to see if they were infectious.

Edited by xblindx, 23 May 2009 - 11:07 AM.


#11 Ez Duzit

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Posted 23 May 2009 - 07:07 PM

MBAM says she's clean as a babies fresh diaper. Passwords are changed. I just have to decide if I want to reimage my c: drive. Leaning towards it, but gawd I hate doing it anymore. Reinstalling all the new drivers and apps, and tweaking everything just the way I want it. Aghh. It's funny I used to do it religiously every 4-6 months, hell, I actually enjoyed it. Not so much anymore. But I guess this is as good a reason as any to get it done, actually it's much better reason then most, and at least all my data is on separate drives. See, I'm trying to convince myself.......

Oh yeah, here's the final log. And thanks again for the help.



Malwarebytes' Anti-Malware 1.36
Database version: 2171
Windows 5.1.2600 Service Pack 3

5/23/2009 4:31:21 PM
mbam-log-2009-05-23 (16-31-17).txt

Scan type: Full Scan (C:\|D:\|E:\|)
Objects scanned: 266500
Time elapsed: 1 hour(s), 31 minute(s), 26 second(s)

Memory Processes Infected: 0
Memory Modules Infected: 0
Registry Keys Infected: 0
Registry Values Infected: 0
Registry Data Items Infected: 0
Folders Infected: 0
Files Infected: 0

Memory Processes Infected:
(No malicious items detected)

Memory Modules Infected:
(No malicious items detected)

Registry Keys Infected:
(No malicious items detected)

Registry Values Infected:
(No malicious items detected)

Registry Data Items Infected:
(No malicious items detected)

Folders Infected:
(No malicious items detected)

Files Infected:
(No malicious items detected)

#12 xblindx

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Posted 23 May 2009 - 07:25 PM

Your Log is Clean please take the time to read below to secure your machine and take the necessary steps to keep it Clean :thumbsup:

Hiding Hidden Files
Please set your system to hide all hidden files.
Click Start, open My Computer, select the Tools menu and click Folder Options.
Select the View Tab. Under the Hidden files and folders heading, uncheck Show hidden files and folders.
Check: Hide file extensions for known file types
Check the Hide protected operating system files (recommended) option.
Click Yes to confirm.

Purging System Restore Points
Now you should Set a New Restore Point to prevent possible reinfection from an old one. Some of the malware you picked up could have been saved in System Restore. Since System Restore is a protected directory, your tools can not access it to delete these bad files which sometimes can reinfect your system. Setting a new restore point AFTER cleaning your system will help prevent this and enable your computer to "roll-back" to a clean working state.

The easiest and safest way to do this is:
  • Go to Start > Programs > Accessories > System Tools and click "System Restore".
  • Choose the radio button marked "Create a Restore Point" on the first screen then click "Next". Give the R.P. a name then click "Create". The new point will be stamped with the current date and time. Keep a log of this so you can find it easily should you need to use System Restore.
  • Then go to Start > Run and type: Cleanmgr
  • Click "OK".
  • Click the "More Options" Tab.
  • Click "Clean Up" in the System Restore section to remove all previous restore points except the newly created one.
One of the most common questions found when cleaning Spyware or other Malware is "how did my machine get infected?". There are a variety of reasons, but the most common ones are that you are going to sites that you are not practicing Safe Internet, you are not running the proper security software, and that your computer's security settings are set too low.

Below I have outlined a series of categories that outline how you can increase the security of your computer so that you will not be infected again in the future.


Practice Safe Internet

One of the main reasons people get infected in the first place is that they are not practicing Safe Internet. You practice Safe Internet when you educate yourself on how to properly use the Internet through the use of security tools and good practice. Knowing how you can get infected and what types of files and sites to avoid will be the most crucial step in keeping your computer malware free. The reality is that the majority of people who are infected with malware are ones who click on things they shouldn't be clicking on. Whether these things are files or sites it doesn't really matter. If something is out to get you, and you click on it, it most likely will. Below are a list of simple precautions to take to keep your computer clean and running securely:
  • If you receive an attachment from someone you do not know, DO NOT OPEN IT! Simple as that. Opening attachments from people you do not know is a very common method for viruses or worms to infect your computer.

  • If you receive an attachment and it ends with a .exe, .com, .bat, or .pif do not open the attachment unless you know for a fact that it is clean. For the casual computer user, you will almost never receive a valid attachment of this type.

  • If you receive an attachment from someone you know, and it looks suspicious, then it probably is. The email could be from someone you know infected with a malware that is trying to infect everyone in their address book.

  • If you are browsing the Internet and a popup appears saying that you are infected, ignore it!. These are, as far as I am concerned, scams that are being used to scare you into purchasing a piece of software. For an example of these types of popups, or Foistware, you should read this article: Foistware, And how to avoid it.

    There are also programs that disguise themselves as Anti-Spyware or security products but are instead scams. For a list of these types of programs we recommend you visit this link: Rogue/Suspect Anti-Spyware Products & Web Sites

  • Another tactic to fool you on the web is when a site displays a popup that looks like a normal Windows message or alert. When you click on them, though, they instead bring you to another site that is trying to push a product on you. We suggest that you close these windows by clicking on the X instead of the OK button. Alternatively, you can check to see if it's a real alert by right-clicking on the window. If there is a menu that comes up saying Add to Favorites... you know it's a fake.

  • Do not go to adult sites. I know this may bother some of you, but the fact is that a large amount of malware is pushed through these types of sites. I am not saying all adult sites do this, but a lot do.

  • When using an Instant Messaging program be cautious about clicking on links people send to you. It is not uncommon for infections to send a message to everyone in the infected person's contact list that contains a link to an infection. Instead when you receive a message that contains a link, message back to the person asking if it is legit before you click on it.

  • Stay away from Warez and Crack sites! In addition to the obvious copyright issues, the downloads from these sites are typically overrun with infections.

  • Be careful of what you download off of web sites and Peer-2-Peer networks. Some sites disguise malware as legitimate software to trick you into installing them and Peer-2-Peer networks are crawling with it. If you want to download a piece of software a from a site, and are not sure if they are legitimate, you can use McAfee Siteadvisor to look up info on the site.

  • DO NOT INSTALL any software without first reading the End User License Agreement, otherwise known as the EULA. A tactic that some developers use is to offer their software for free, but have spyware and other programs you do not want bundled with it. This is where they make their money. By reading the agreement there is a good chance you can spot this and not install the software.
Visit Microsoft's Windows Update Site Frequently

It is important that you visit http://www.windowsupdate.com regularly. This will ensure your computer has always the latest security updates available installed on your computer. If there are new updates to install, install them immediately, reboot your computer, and revisit the site until there are no more critical updates.


Make Internet Explorer 6 and below more secure
  • From within Internet Explorer click on the Tools menu and then click on Options.

  • Click once on the Security tab

  • Click once on the Internet icon so it becomes highlighted.

  • Click once on the Custom Level button.

    • Change the Download signed ActiveX controls to Prompt
    • Change the Download unsigned ActiveX controls to Disable
    • Change the Initialize and script ActiveX controls not marked as safe to Disable
    • Change the Installation of desktop items to Prompt
    • Change the Launching programs and files in an IFRAME to Prompt
    • Change the Navigate sub-frames across different domains to Prompt
    • When all these settings have been made, click on the OK button.
    • If it prompts you as to whether or not you want to save the settings, press the Yes button.
  • Next press the Apply button and then the OK to exit the Internet Properties page.
Use an AntiVirus Software

It is very important that your computer has an anti-virus software running on your machine. This alone can save you a lot of trouble with malware in the future.

See this link for a listing of some online & their stand-alone antivirus programs:

Virus, Spyware, and Malware Protection and Removal Resources


Update your AntiVirus Software

It is imperative that you update your Antivirus software at least once a week (Even more if you wish). If you do not update your antivirus software then it will not be able to catch any of the new variants that may come out. If you use a commercial antivirus program you must make sure you keep renewing your subscription. Otherwise, once your subscription runs out, you may not be able to update the programs virus definitions.


Make sure your applications have all of their updates

It is also possible for other programs on your computer to have security vulnerability that can allow malware to infect you. Therefore, it is also a good idea to check for the latest versions of commonly installed applications that are regularly patched to fix vulnerabilities. You can check these by visiting Secunia Software Inspector and Calendar of Updates.


Use a Firewall

I can not stress how important it is that you use a Firewall on your computer. Without a firewall your computer is susceptible to being hacked and taken over. I am very serious about this and see it happen almost every day with my clients. Simply using a Firewall in its default configuration can lower your risk greatly.

For a tutorial on Firewalls and a listing of some available ones see the link below:

Understanding and Using Firewalls


Install an AntiSpyware Program

A highly recommended AntiSpyware program is SuperAntiSpyware. You can download the free Home Version. or the Pro version for a 15 day trial period.

Other recommended, and free, AntiSpyware programs are Spybot - Search and Destroy and Ad-Aware Personal.

Installing these programs will provide spyware & hijacker protection on your computer alongside your virus protection. You should scan your computer with an AntiSpyware program on a regular basis just as you would an antivirus software.

Tutorials on using these programs can be found below:

Using Spybot - Search & Destroy to remove Spyware , Malware, and Hijackers

Using Ad-aware to remove Spyware, Malware, & Hijackers from Your Computer


Install SpywareBlaster

SpywareBlaster will added a large list of programs and sites into your Internet Explorer settings that will protect you from running and downloading known malicious programs.

A tutorial on installing & using this product can be found here:

Using SpywareBlaster to protect your computer from Spyware and Malware


Update all these programs regularly
Make sure you update all the programs I have listed regularly. Without regular updates you WILL NOT be protected when new malicious programs are released.

Follow this list and your potential for being infected again will reduce dramatically.




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