Overall Risk Level: 
VBS.Runauto.F is a worm that propagates on computer by creating a copy of the threat on removable media drives. VBS.Runauto.F utilizes autorun.inf file to run the threat each time an infected volume is mounted.
Alias: -
Damage Level: Low
Systems Affected: Windows
1. Temporarily Disable System Restore (Windows Me/XP). [how to]
2. Update the virus definitions.
3. Reboot computer in SafeMode [how to]
4. Run a full system scan and clean/delete all infected file(s)
5. Delete/Modify any values added to the registry. [how to edit registry]
Navigate to and delete the following registry entries:
HKEY_LOCAL_MACHINESOFTWAREMicrosoftWindowsCurrent VersionRun”CTFMON” = “%System%wscript.exe /E:vbs %System%winjpg.jpg”
HKEY_LOCAL_MACHINESOFTWAREMicrosoftWindowsCurrent VersionRun”regdiit” = “%System%winxp.exe”
HKEY_LOCAL_MACHINESOFTWAREMicrosoftWindowsCurrent VersionRun”abu salem” = “43 00 3A 00 5C 00 57 00 49 00 4E 00 44 00 4F 00 57 00 53 00 5C 00 73 00 79 00 73 00 74 00 65 00 6D 00 33 00 32 00 5C 00 77 00 69 00 6E 00 78 00 70 00 2E 00 65 00 78 00 65 00″
Navigate to and restore the following registry entries to original values, if needed:
HKEY_LOCAL_MACHINESOFTWAREMicrosoftWindows NTCurrent VersionImage File Execution Optionsdwwinxp.exe”Debugger” = “%System%winxp.exe”
HKEY_LOCAL_MACHINESOFTWAREMicrosoftWindows NTCurrent VersionImage File Execution OptionsMSConfig.exe”Debugger” = “%System%wscript.exe /E:vbs %System%winjpg.jpg”
HKEY_LOCAL_MACHINESOFTWAREMicrosoftWindows NTCurrent VersionImage File Execution Optionsprocexp.exe”Debugger” = “winxp.exe”
HKEY_LOCAL_MACHINESOFTWAREMicrosoftWindows NTCurrent VersionImage File Execution Optionsrstrui.exe”Debugger” = “%System%wscript.exe /E:vbs %System%winjpg.jpg”
HKEY_LOCAL_MACHINESOFTWAREMicrosoftWindows Script HostSettings”Enabled” = “1″
HKEY_LOCAL_MACHINESOFTWAREMicrosoftSecurity Center”AntiVirusOverride” = “1″
HKEY_LOCAL_MACHINESOFTWAREMicrosoftWindowsCurrent VersionExplorerAdvancedFolderHiddenSHOWALL”CheckedValue” = “1″
HKEY_USERSS-1-5-21-1110976373-127614085-1323839693-500SoftwareMicrosoftWindowsCurrent VersionPoliciesExplorer”NoDriveTypeAutoRun” = “0″
6. Exit registry editor and restart the computer.
7. In order to make sure that threat is completely eliminated from your computer, carry out a full scan of your computer using AntiVirus and Antispyware Software. Another way to delete the virus using various Antivirus Program without the need to install can be done with Online Virus Scanner.
Tags: symantec
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