Infostealer.Firum

Infostealer.Firum is a Trojan Horse that attempts to collect credit card information as it is entered into Web forms. This Trojan targets Visa, Mastercard, Eurocard, and American Express.

This threat is written in Visual Basic. It may be found as a file named "system32.exe" in the System directory. By default, this is C:\Windows\System (Windows 95/98/Me), C:\Winnt\System32 (Windows NT/2000), or C:\Windows\System32 (Windows XP).


NOTE : Definitions prior to May 10, 2006 may detect this threat as PWSteal.Firum

Protection

• Initial Rapid Release version October 17, 2003
• Latest Rapid Release version April 2, 2008 revision 050
• Initial Daily Certified version October 17, 2003
• Latest Daily Certified version April 3, 2008 revision 004
• Initial Weekly Certified release date October 22, 2003

Click here for a more detailed description of Rapid Release and Daily Certified virus definitions.

Threat Assessment

Wild

• Wild Level: Low
• Number of Infections: 0 - 49
• Number of Sites: 0 - 2
• Geographical Distribution: Low
• Threat Containment: Easy
• Removal: Easy

Damage

• Damage Level: Medium

Distribution

• Distribution Level: Low