TrojanSpy.MSIL.LOKI.PUHBAZCRCQJG

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

Installation

This Trojan Spy drops and executes the following files:

• %Windows%\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe

(Note: %Windows% is the Windows folder, where it usually is C:\Windows on all Windows operating system versions.)

It adds the following processes:

• %Windows%\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe

(Note: %Windows% is the Windows folder, where it usually is C:\Windows on all Windows operating system versions.)

Other Details

This Trojan Spy connects to the following possibly malicious URL:

• {BLOCKED}vgeah26.{BLOCKED}e.com

It does the following:

• After execution, renamed the dropped file from %Windows%\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe → %Application Data%\{Random Character}\{Random Character}.exe

(Note: %Application Data% is the current user's Application Data folder, which is usually C:\Documents and Settings\{user name}\Application Data on Windows 2000(32-bit), XP, and Server 2003(32-bit), or C:\Users\{user name}\AppData\Roaming on Windows Vista, 7, 8, 8.1, 2008(64-bit), 2012(64-bit) and 10(64-bit).)