PLATFORM:

Windows 2000, Windows XP, Windows Server 2003

 OVERALL RISK RATING:
 REPORTED INFECTION:
 SYSTEM IMPACT RATING:
 INFORMATION EXPOSURE:

  • Threat Type: Hacking Tool

  • Destructiveness: No

  • Encrypted:

  • In the wild: Yes

  TECHNICAL DETAILS

File Size: Varies
File Type: PE
Memory Resident: No
Initial Samples Received Date: 02 Nov 2008

Other System Modifications

This hacking tool modifies the following registry key(s)/entry(ies) as part of its installation routine:

HKEY_CURRENT_USER\Software\Microsoft\
Windows\ CurrentVersion\Internet Settings
ProxyEnable = "1"

(Note: The default value data of the said registry entry is "0".)

It modifies the following registry entries:

HKEY_CURRENT_USER\Software\Microsoft\
Windows\ CurrentVersion\Internet Settings\
Zones\3
1C00 = "hex:00,00,00,00,"

(Note: The default value data of the said registry entry is dword:00010000.)

It also creates the following registry entry(ies) as part of its installation routine:

HKEY_CURRENT_USER\Software\Microsoft\
Internet Explorer\International\CpMRU

HKEY_CURRENT_USER\Software\Microsoft\
Windows\ CurrentVersion\Internet Settings
~vyjbuiv = "dword:0000049f"

HKEY_CURRENT_USER\Software\Microsoft\
Windows\ CurrentVersion\Internet Settings
ProxyOverride = "local"

HKEY_CURRENT_USER\Software\Microsoft\
Windows\ CurrentVersion\Internet Settings
ProxyServer = "127.0.0.1:9666"

  SOLUTION

Minimum Scan Engine: 9.200

Step 1

Scan your computer with your Trend Micro product to delete files detected as HKTL_USURF. 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.

Step 2

Restore this modified 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.

RESTORE
  • Close Registry Editor.


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