Backdoor.Smorph

Backdoor.Smorph is a polymorphic Trojan horse. It is distributed as an executable that is embedded inside of an .shs file. The Trojan drops files and opens network connections.

NOTE: An .shs file is a Microsoft Scrap Object file. These files are executable and can contain a wide variety of objects. The scrap object (.shs) extension does not appear in Windows Explorer even if all file extensions are displayed.

Protection

• Initial Rapid Release version October 16, 2000
• Latest Rapid Release version January 1, 2010 revision 052
• Initial Daily Certified version October 16, 2000
• Latest Daily Certified version January 2, 2010 revision 020
• Initial Weekly Certified release date pending

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: Moderate

Damage

• Damage Level: Low

Distribution

• Distribution Level: Low