Analysis by: Arvin Roi Macaraeg
 PLATFORM:

Windows

 OVERALL RISK RATING:
 DAMAGE POTENTIAL:
 DISTRIBUTION POTENTIAL:
 REPORTED INFECTION:
 INFORMATION EXPOSURE:

  • Threat Type: Trojan

  • Destructiveness: No

  • Encrypted:

  • In the wild: Yes

  OVERVIEW

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.

  TECHNICAL DETAILS

File Size: 45,000 bytes
File Type: INF
Memory Resident: No
Initial Samples Received Date: 05 Apr 2013

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.

Propagation

The said .INF file contains the following strings:

[autorun]
;{garbage}
open=Updates\Drivers\System.exe
;{garbage}
icon=%SystemRoot%\system32\SHELL32.dll,7
;{garbage}
action=Open folder to view files
;{garbage}
shell\open=Open
;{garbage}
shell\open\Command=Updates\Drivers\System.exe
;{garbage}
UseAutoPlay = 1
;{garbage}
shell\explore\Command=Updates\Drivers\System.exe
;{garbage}

Other Details

This Trojan does the following:

  • This Trojan automatically executes the following files when a user opens a drive:
    • Updates\Drivers\System.exe