TROJ_FAKEAV.BNM

June 10, 2013
 Analysis by: Adrian Cofreros
 ALIASES:

Rogue:Win32/FakeRean(Microsoft),Troj/FakeAV-GSA(SOPHOS_LITE),Trojan.Win32.Generic.pak!cobra(Sunbelt)

 PLATFORM:

Windows 2000, Windows Server 2003, Windows XP (32-bit, 64-bit), Windows Vista (32-bit, 64-bit), Windows 7 (32-bit, 64-bit)

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

  • 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:

848,384 bytes

File Type:

EXE

Memory Resident:

Yes

Initial Samples Received Date:

07 Jun 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.

Autostart Technique

This Trojan adds the following registry entries to enable its automatic execution at every system startup:

HKEY_CURRENT_USER\Software\Microsoft\
Windows\CurrentVersion\Run
Internet Security = "{malware path}\{malware file name}.exe"

Other System Modifications

This Trojan adds the following registry keys:

HKEY_CURRENT_USER\Software\{random key}

It adds the following registry entries:

HKEY_CURRENT_USER\Software\{random key}
FRun = "0"

HKEY_CURRENT_USER\Software\{random key}
O`ld = "{random value 1}"

HKEY_CURRENT_USER\Software\{random key}
Q`ui = "{random value 2}"

Other Details

This Trojan connects to the following possibly malicious URL:

  • http://{BLOCKED}rtal360.com