TROJ_MJAKA.C

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.

Installation

This Trojan drops the following files:

• %System Root%\{Product ID}_{Computer Name}.cfg
• %System%\drmvclt.exe
• %All Users Profile%\drmvclt.exe

(Note: %System Root% is the Windows root folder, where it usually is C:\ on all Windows operating system versions.. %System% is the Windows system folder, where it usually is C:\Windows\System32 on all Windows operating system versions.. %All Users Profile% is the All Users folder, where it usually is C:\Documents and Settings\All Users on Windows 2000, Windows Server 2003, and Windows XP (32- and 64-bit); C:\ProgramData on Windows Vista (32- and 64-bit), Windows 7 (32- and 64-bit), Windows 8 (32- and 64-bit), Windows 8.1 (32- and 64-bit), Windows Server 2008, and Windows Server 2012.)

Autostart Technique

This Trojan creates the following registry entries to enable automatic execution of dropped component at every system startup:

HKEY_LOCAL_MACHINE_SOFTWARE\Microsoft\Windows\
CurrentVersion\Run
drmvclt = %System%\drmvclt.exe

HKEY_LOCAL_MACHINE_SOFTWARE\Microsoft\Windows\
CurrentVersion\Run
drmvclt = %All Users Profile%\drmvclt.exe

Other Details

This Trojan does the following:

• It connects to an FTP server:
  
  • ftp://ftp.{BLOCKED}q.com/