TROJ_MSIL.APF

This Trojan arrives on a system as a file dropped by other malware or as a file downloaded unknowingly by users when visiting malicious sites.

Arrival Details

This Trojan arrives on a system as a file dropped by other malware or as a file downloaded unknowingly by users when visiting malicious sites.

Other System Modifications

This Trojan deletes the following files:

• %Windows%\Microsoft.NET\Framework\v2.0.50727\config\security.config.cch.1820.44953
• %Windows%\Microsoft.NET\Framework\v2.0.50727\config\enterprisesec.config.cch.1820.44984
• %User Profile%\v2.0.50727.42\security.config.cch.1820.45171
• %Temp%\scs2.tmp
• %Temp%\scs5.tmp

(Note: %Windows% is the Windows folder, which is usually C:\Windows.. %User Profile% is the current user's profile folder, which is usually C:\Documents and Settings\{user name} on Windows 2000, XP, and Server 2003, or C:\Users\{user name} on Windows Vista and 7.. %Temp% is the Windows Temporary folder, which is usually C:\Windows\Temp.)

Dropping Routine

This Trojan drops the following files:

• %User Temp%\html.exe-Crypted.exe

(Note: %User Temp% is the current user's Temp folder, which is usually C:\Documents and Settings\{user name}\Local Settings\Temp on Windows 2000, XP, and Server 2003, or C:\Users\{user name}\AppData\Local\Temp on Windows Vista and 7.)

This report is generated via an automated analysis system.