Analysis by: Nikko Tamana
ALIASES:

Trojan horse Proxy.BCDZ (AVG), Trojan-Proxy.BCDZ (Ikarus), TrojanProxy:Win32/Bunitu.F (Microsoft), a variant of Win32/TrojanProxy.Agent.NVE trojan (NOD32)

 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:
 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.

It requires its main component to successfully perform its intended routine.

  TECHNICAL DETAILS

File Size: 17,408 bytes
File Type: DLL
Initial Samples Received Date: 25 Feb 2014

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 creates the following registry entry(ies) to bypass Windows Firewall:

HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\
Services\SharedAccess\Parameters\
FirewallPolicy\StandardProfile\AuthorizedApplications\
List
{Malware Path and File name} = "{Malware Path and File name}:*:Enabled:{File Name}"

Other Details

This Trojan connects to the following possibly malicious URL:

  • ns1.{BLOCKED}clop.com

It requires its main component to successfully perform its intended routine.