PLATFORM:

Windows 98, ME, NT, 2000, XP, Server 2003

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

  • Threat Type: Trojan

  • Destructiveness: No

  • Encrypted:

  • In the wild: Yes

  OVERVIEW

This Trojan connects to certain URLs. It may do this to remotely inform a malicious user of its installation. It may also do this to download possibly malicious files onto the computer, which puts the computer at a greater risk of infection by other threats.



  TECHNICAL DETAILS

File Size: 359936 bytes
Memory Resident: Yes
Initial Samples Received Date: 30 Dec 2009

Other System Modifications


This Trojan adds the following registry keys:

HKEY_CURRENT_USER\SOFTWARE\hycg\
hycg
lld = "5-30"



Download Routine


This Trojan connects to the following malicious URLs:

  • {BLOCKED}.{BLOCKED}.com/log-bin/statics.php?maddr=000c29437611&ipaddr=192.168.51.31&ovt=&verno=&action=load
  • http://{BLOCKED}.kwsearchguide.com/global_xml.php?ovt=
  • http://{BLOCKED}searchguide.com/log-bin/alive.php?ovt=


  SOLUTION

Minimum Scan Engine: 8.900
VSAPI OPR PATTERN File: 3.877.00
VSAPI OPR PATTERN Date: 24 Oct 2006

Step 1


Delete this registry value

[ Learn More ]

Important: Editing the Windows Registry incorrectly can lead to irreversible system malfunction. Please do this step only if you know how or you can ask assistance from your system administrator. Else, check this Microsoft article first before modifying your computer"s registry.

 
  • In HKEY_CURRENT_USER\SOFTWARE\hycg\hycg
    • lld = 5-30


Step 2


Scan your computer with your Trend Micro product to delete files detected as TROJ_ADLOAD.SF If the detected files have already been cleaned, deleted, or quarantined by your Trend Micro product, no further step is required. You may opt to simply delete the quarantined files. Please check this Knowledge Base page for more information.


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