F-Secure Virus Information Pages : PFV-Exploit.D [Summary] | [Detailed Description] Name: PFV-Exploit.D Alias: Exploit.Win32.IMG-WMF Size: 53608 Category: Virus Platform: Win32 Summary PFV-Exploit.D was spammed on January the 1st 2006 with subject "Happy New Year" and body text "picture of 2006". The email contains an attachement file "HappyNewYear.jpg" which exploits the Microsoft WMF SetAbortProc vulnerability. Detailed Description When the infected attachement is viewed on vulnerable computer, it tries to download and execute a file from web server www.ritztours.com. The file is a variant of Bifrose backdoor, detected as W32/Bifrose.KT. Please see the following links for more details about the WMF vulnerability: http://www.kb.cert.org/vuls/id/181038 http://www.microsoft.com/technet/security/advisory/912840.mspx http://www.f-secure.com/weblog/ Back to the Top Write-up: Jarkko Turkulainen Technical Details: Jarkko Turkulainen, January 1, 2006 F-Secure Corporation