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Trojan.Win32.Agent.arvz


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3 replies to this topic

#1 GoddessMika

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Posted 24 December 2008 - 08:06 PM

My computer has been infected with this virus for weeks now, maybe a month. My last antivirus program did not pick this one up, and it broke through and has been such a pain. Redirecting my searches on the virus to other places called 'go.google.com' and showing me other antivirus programs that I 'should' purchase, etc. All BS I know, I have been through some nasty ones but never had such a hard time finding it like this one. I have Verizon Security Suite and it picks it up, I delete it, but it comes right back even after restarting. I can't run certain programs like SUPERAntivirus, spybot SD, etc. I am so frustrated!

Can you help? I thought about reformatting my hard drive (I have a pc tools recovery disc that I had made), but what a hassle that will be too.

I get this message: Application or a DLL globalroot\systemroot\system32\TDSScfub not a valid windows image with all apps that it won't let me run.

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#2 quietman7

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Posted 24 December 2008 - 11:14 PM

Please download Malwarebytes Anti-Malware and save it to your desktop.
alternate download link 1
alternate download link 2
  • Make sure you are connected to the Internet.
  • Double-click on mbam-setup.exe to install the application.
  • When the installation begins, follow the prompts and do not make any changes to default settings.
  • When installation has finished, make sure you leave both of these checked:
    • Update Malwarebytes' Anti-Malware
    • Launch Malwarebytes' Anti-Malware
  • Then click Finish.
MBAM will automatically start and you will be asked to update the program before performing a scan.
  • If an update is found, the program will automatically update itself.
  • Press the OK button to close that box and continue.
  • If you encounter any problems while downloading the updates, manually download them from here and just double-click on mbam-rules.exe to install. Alternatively, you can update through MBAM's interface from a clean computer, copy the definitions (rules.ref) located in C:\Documents and Settings\All Users\Application Data\Malwarebytes\Malwarebytes' Anti-Malware from that system to a usb stick or CD and then copy it to the infected machine.
On the Scanner tab:
  • Make sure the "Perform Quick Scan" option is selected.
  • Then click on the Scan button.
  • If asked to select the drives to scan, leave all the drives selected and click on the Start Scan button.
  • The scan will begin and "Scan in progress" will show at the top. It may take some time to complete so please be patient.
  • When the scan is finished, a message box will say "The scan completed successfully. Click 'Show Results' to display all objects found".
  • Click OK to close the message box and continue with the removal process.
Back at the main Scanner screen:
  • Click on the Show Results button to see a list of any malware that was found.
  • Make sure that everything is checked, and click Remove Selected.
  • 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 using other security programs that detect registry changes (ie Spybot's Teatimer), they may interfere or alert you after scanning with MBAM. Please temporarily disable such programs or permit them to allow the changes.

Some types of malware will disable MBAM and other security tools. If MBAM will not install, try renaming it. Right-click on the mbam-setup.exe file and change the .exe extension to .bat, .com, .pif, or .scr and then double-click on it to run.

If after installation, MBAM will not run, open the Malwarebytes' Anti-Malware folder in Program Files, right-click on mbam.exe and change the .exe as noted above. Then double-click on it to run.
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#3 GoddessMika

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Posted 25 December 2008 - 03:44 PM

I am sending my log from MBAM, but another thing: my Verizon security suite still has the virus in it as 'quarrantined. Should I go ahead and check it as it suggests, delete it and then reboot? I kept doing that before and it kept coming back. MBAM picked up alot of infected files with that virus as well as others and I did do as you suggested and rebooted as it told me to.

Let me know what I should do with the Verizon SS quarrantine please. And thanks so much for your help. I am so grateful to you and all who help on this forum. This is a great day for me and you put a HUGE smile on my face where there wasn't one before lol.

My log:

Malwarebytes' Anti-Malware 1.31
Database version: 1456
Windows 5.1.2600 Service Pack 3

12/25/2008 3:12:34 PM
mbam-log-2008-12-25 (15-12-34).txt

Scan type: Quick Scan
Objects scanned: 56470
Time elapsed: 8 minute(s), 26 second(s)

Memory Processes Infected: 0
Memory Modules Infected: 0
Registry Keys Infected: 8
Registry Values Infected: 2
Registry Data Items Infected: 0
Folders Infected: 1
Files Infected: 10

Memory Processes Infected:
(No malicious items detected)

Memory Modules Infected:
(No malicious items detected)

Registry Keys Infected:
HKEY_CLASSES_ROOT\AppID\{90a52f08-64ac-4dc6-9d7d-4516670275d3} (Trojan.Downloader) -> Quarantined and deleted successfully.
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\tdssdata (Trojan.Agent) -> Quarantined and deleted successfully.
HKEY_LOCAL_MACHINE\SOFTWARE\tdss (Trojan.Agent) -> Quarantined and deleted successfully.
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\rdfa (Trojan.Vundo) -> Quarantined and deleted successfully.
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Juan (Trojan.Vundo) -> Quarantined and deleted successfully.
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\FCOVM (Trojan.Vundo) -> Quarantined and deleted successfully.
HKEY_CLASSES_ROOT\xml.xmldatachf (Trojan.FakeAlert) -> Quarantined and deleted successfully.
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Multimedia\WMPlayer\Schemes\f3pss (Adware.MyWebSearch) -> Quarantined and deleted successfully.

Registry Values Infected:
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\SharedTaskScheduler\{ec43e3fd-5c60-46a6-97d7-e0b85dbdd6c4} (Trojan.BHO) -> Quarantined and deleted successfully.
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\ShellServiceObjectDelayLoad\ssodl (Trojan.BHO) -> Quarantined and deleted successfully.

Registry Data Items Infected:
(No malicious items detected)

Folders Infected:
C:\WINDOWS\system32\o05PrEz (Trojan.Downloader) -> Quarantined and deleted successfully.

Files Infected:
C:\WINDOWS\system32\TDSScfub.dll (Trojan.TDSS) -> Delete on reboot.
C:\WINDOWS\system32\TDSSnrsr.dll (Trojan.TDSS) -> Delete on reboot.
C:\WINDOWS\system32\TDSSofxh.dll (Trojan.TDSS) -> Delete on reboot.
C:\WINDOWS\system32\TDSSriqp.dll (Trojan.TDSS) -> Delete on reboot.
C:\WINDOWS\system32\drivers\TDSSpaxt.sys (Trojan.TDSS) -> Delete on reboot.
C:\WINDOWS\system32\mcrh.tmp (Malware.Trace) -> Quarantined and deleted successfully.
C:\WINDOWS\system32\oqtss.ini (Malware.Trace) -> Quarantined and deleted successfully.
C:\WINDOWS\system32\oqtss.bak1 (Malware.Trace) -> Quarantined and deleted successfully.
C:\WINDOWS\system32\TDSSfpmp.dll (Rootkit.Agent) -> Delete on reboot.
C:\WINDOWS\system32\TDSStkdv.log (Trojan.TDSS) -> Delete on reboot.

#4 quietman7

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Posted 25 December 2008 - 08:12 PM

When an anti-virus or security program quarantines a file by moving it into a virus vault (chest), that file is essentially disabled and prevented from causing any harm to your system. The quarantined file is safely held there and no longer a threat until you take action to delete it. One reason for doing this is to prevent deletion of a crucial file that may have been flagged as a "false positive". If that is the case, then you can restore the file and add it to the exclusion or ignore list. Doing this also allows you to view and investigate the files while keeping them from harming your computer. Quarantine is just an added safety measure. When the quarantined file is known to be bad, you can delete it at any time.

Now rescan again with MBAM but this time perform a Full Scan in normal mode and check all items found for removal. Don't forgot to reboot afterwards. Failure to reboot normally (not into safe mode) will prevent MBAM from removing all the malware. When done, click the Logs tab and copy/paste the contents of the new report in your next reply.

IMPORTANT NOTE: One or more of the identified infections (TDSS[random characters.***]) was related to a nasty variant of the TDSSSERV rootkit component. Rootkits and backdoor Trojans are very dangerous because they use advanced techniques (backdoors) as a means of accessing a computer system that bypasses security mechanisms and steal sensitive information which they send back to the hacker. Many rootkits can hook into the Windows 32-bit kernel, and patch several APIs to hide new registry keys and files they install. Remote attackers use backdoor Trojans and rootkits as part of an exploit to gain unauthorized access to a computer and take control of it without your knowledge.

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 rootkit 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?"
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