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XPAntivirus

Updated:
October 10, 2007 2:06:21 PM
Type:
Misleading Application
Name:
XPAntivirus
Risk Impact:
Medium
Systems Affected:
Windows 2000, Windows 95, Windows 98, Windows Me, Windows NT, Windows Server 2003, Windows Vista, Windows XP
Behavior
The program must be manually installed.





The program reports false or exaggerated system security threats on the computer.





The user is then prompted to pay for a full license of the application in order to remove the errors.

Installation
When the program is executed, it creates the following files:
  • %UserProfile%\Application Data\Microsoft\Internet Explorer\Quick Launch\XPAntivirus.lnk
  • %UserProfile%\Desktop\XPAntivirus.lnk
  • %Programs%\XP antivirus\Uninstall XPAntivirus.lnk
  • %Programs%\XP antivirus\XPAntivirus on the Web.lnk
  • %Programs%\XP antivirus\XPAntivirus.lnk
  • %ProgramFiles%\XPAntivirus\backup.lst
  • %ProgramFiles%\XPAntivirus\helper.sys
  • %ProgramFiles%\XPAntivirus\pn.cfg
  • %ProgramFiles%\XPAntivirus\spyware.dat
  • %ProgramFiles%\XPAntivirus\SysBackup\explorer.exe
  • %ProgramFiles%\XPAntivirus\SysBackup\explorer.exe.md5
  • %ProgramFiles%\XPAntivirus\SysBackup\ntoskrnl.exe
  • %ProgramFiles%\XPAntivirus\SysBackup\ntoskrnl.exe.md5
  • %ProgramFiles%\XPAntivirus\SysBackup\shlwapi.dll
  • %ProgramFiles%\XPAntivirus\SysBackup\shlwapi.dll.md5
  • %ProgramFiles%\XPAntivirus\SysBackup\wininet.dll
  • %ProgramFiles%\XPAntivirus\SysBackup\wininet.dll.md5
  • %ProgramFiles%\XPAntivirus\unins000.dat
  • %ProgramFiles%\XPAntivirus\unins000.exe
  • %ProgramFiles%\XPAntivirus\ver.dat
  • %ProgramFiles%\XPAntivirus\whitelist.cfg
  • %ProgramFiles%\XPAntivirus\XPAntivirus.exe
  • %ProgramFiles%\XPAntivirus\XPAntivirus.url
  • %ProgramFiles%\XPAntivirus\XPAntivirusUpdate.exe
  • %ProgramFiles%\XPAntivirus\XPAntivirus_log.txt


Next, the program creates the following registry entries so that it executes whenever Windows starts:
  • HKEY_USERS\Software\Microsoft\Windows\CurrentVersion\Run\"XP antivirus" = "C:\Program Files\XPAntivirus\XPAntivirus.exe"
  • HKEY_USERS\Software\Microsoft\Windows\CurrentVersion\Run\"XPAntivirus" = "C:\Program Files\XPAntivirus\XPAntivirus.exe"


The program creates the following registry subkeys:
  • HKEY_USERS\Software\XP antivirus
  • HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\XP antivirus_is1
  • HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\XPAntivirusFilter
Summary| Technical Details| Removal

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