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Firm-av.com

Posted: April 12, 2010

Firm-av.com and Firm-av.microsoft.com are corrupt websites working for Antivirus Suite. The sites act as system scans and produce false results claiming the computer is infected. Annoying popup warnings will soon urge the user to purchase Antivirus Suite. Do not fall for this blatant scam and have all threats related to Antivirus Suite removed immediately.

File System Modifications

  • The following files were created in the system:
    # File Name
    1 %Documents and Settings%\[UserName]\Local Settings\Application Data\[random string]\[random string]ftav.exe
    2 %Documents and Settings%\[UserName]\Local Settings\Application Data\[random string]\[random string]sysguard.exe
    3 %Documents and Settings%\[UserName]\Local Settings\Application Data\[random string]\[random string]tssd.exe

Registry Modifications

  • The following newly produced Registry Values are:
    HKEY..\..\..\..{Subkeys}HKEY_CURRENT_USER\Software\Microsoft\Internet Explorer\Download "CheckExeSignatures" = "no"HKEY_CURRENT_USER\Software\Microsoft\Internet Explorer\Download "RunInvalidSignatures" = "1"HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings "ProxyEnable" = "1"HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings "ProxyOverride" = ""HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings "ProxyServer" = "http=127.0.0.1:5555"HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Policies\Associations "LowRiskFileTypes" = ".exe"HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Policies\Attachments "SaveZoneInformation" = "1"HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run\"[random string].exe"HKEY_LOCAL_MACHINE\SOFTWARE\avsuiteHKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\..{RunKeys}HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\"[random string].exe"
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