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infected file in system restore folder


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#1 BakedDaily

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Posted 21 June 2010 - 09:52 AM

I recently scanned my computer with avira and it found a Virus or unwanted program 'HEUR/Crypted [heuristic]'C:\System Volume Information\_restore{366ACCCA-8E38-4175-BFC4-C350AF333059}\RP116\A0035363.exe.


Need help please...

Edited by BakedDaily, 21 June 2010 - 09:57 AM.


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#2 quietman7

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Posted 21 June 2010 - 10:02 AM

The detected _restore{GUID}\RP***\A00*****.xxx file(s) identified by your scan are in the System Volume Information Folder (SVI) which is a part of System Restore. The *** after RP represents a sequential number automatically assigned by the operating system. The ***** after A00 represents a sequential number where the original file was backed up and renamed except for its extension. To learn more about this, refer to:System Restore is the feature that protects your computer by monitoring a core set of system and application files and by creating backups (snapshots saved as restore points) of vital system configurations and files before changes are made. These restore points can be used to "roll back" your computer to a clean working state in the event of a problem. This makes it possible to undo harmful changes to your system configurations including registry modifications made by software or malware by reverting the operating systems configuration to an earlier date. See What's Restored when using System Restore and What's Not.

The SVI folder is protected by permissions that only allow the system to have access and is hidden by default on the root of every drive, partition or volume including most external drives, and some USB flash drives. For more detailed information, read System Restore Overview and How it works and How antivirus software and System Restore work together.

System Restore is enabled by default and will back up the good as well as malevolent files, so when malware is present on the system it gets included in restore points as an A00***** file. If you only get a detection on a file in the SVI folder, that means the original file was on your system in another location at some point and probably has been removed. However, when you scan your system with anti-virus or anti-malware tools, you may receive an alert that a malicious file was detected in the SVI folder (in System Restore points) but the anti-virus software was unable to remove it. Since the SVI folder is a protected directory, most anti-virus and scanning tools cannot access it to disinfect or delete these files. If not removed, they sometimes can reinfect your system if you accidentally use an old restore point.

If your anti-virus or anti-malware tool cannot move the files to quarantine, they sometimes can reinfect your system if you accidentally use an old restore point. In order to avoid reinfection and remove these file(s) if your security tools cannot remove them, the easiest thing to do after disinfection is Create a New Restore Point to enable your computer to "roll-back" to a clean working state and use Disk Cleanup to remove all but the most recent restore point. Vista and Windows 7 users can refer to these links: Create a New Restore Point in Vista or Windows 7 and Disk Cleanup in Vista.
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#3 BakedDaily

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Posted 22 June 2010 - 12:10 AM

ok i created a new restore point and used disk cleanup to remove the old files after i have quaratined the virus. hope this does it ..

#4 quietman7

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Posted 22 June 2010 - 07:00 AM

:thumbsup: Tips to protect yourself against malware and reduce the potential for re-infection:

Keep Windows and Internet Explorer current with all critical updates from Microsoft which will patch many of the security holes through which attackers can gain access to your computer. If you're not sure how to do this, see Microsoft Update helps keep your computer current.

Avoid gaming sites, porn sites, pirated software, cracking tools, keygens, and peer-to-peer (P2P) file sharing programs (i.e. Limewire, eMule, uTorrent). They are a security risk which can make your computer susceptible to a smörgåsbord of malware infections, remote attacks, exposure of personal information, and identity theft. Malicious worms, backdoor Trojans IRCBots, and rootkits spread across P2P file sharing networks, gaming, porn and underground sites. Users visiting such pages may see innocuous-looking banner ads containing code which can trigger pop-up ads and malicious Flash ads that install viruses, Trojans, and spyware. Ads are a target for hackers because they offer a stealthy way to distribute malware to a wide range of Internet users. Porn sites can lead to the Trojan.Mebroot MBR rootkit and other dangerous malware. The best way to reduce the risk of infection is to avoid these types of web sites and not use any P2P applications.Beware of Rogue Security software as they are one of the most common sources of malware infection. They infect machines by using social engineering and scams to trick a user into spending money to buy a an application which claims to remove malware. For more specific information on how these types of rogue programs and infections install themselves, read:Keeping Autorun enabled on USB (pen, thumb, jump) and other removable drives has become a significant security risk as they are one of the most common infection vectors for malware which can transfer the infection to your computer. To learn more about this risk, please read:Many security experts recommend you disable Autorun asap as a method of prevention. Microsoft recommends doing the same.

...Disabling Autorun functionality can help protect customers from attack vectors that involve the execution of arbitrary code by Autorun when inserting a CD-ROM device, USB device, network shares, or other media containing a file system with an Autorun.inf file...

Microsoft Security Advisory (967940): Update for Windows Autorun
How to Maximize the Malware Protection of Your Removable Drives

Other security reading resources:Browser Security resources:Finally, if you need to replace your anti-virus, firewall or need a reliable anti-malware scanner please refer to:
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