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Threat Encyclopedia

WORM_SDBOT.UH

ANALYSIS BY

Kathleen Notario


ALIASES:

Backdoor:Win32/Rbot (Microsoft); W32.Spybot.Worm (Symantec); W32/Sdbot.worm.gen (McAfee); W32/Rbot-HQ (Sophos)

PLATFORM:

Windows 2000, Windows XP, Windows Server 2003

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

  • Threat Type:Worm

  • Destructiveness:No

  • Encrypted: No

  • In the wild: Yes

OVERVIEW

TECHNICAL DETAILS

SOLUTION

Minimum Scan Engine:

9.200

VSAPI OPR PATTERN File:

5.883.00

VSAPI OPR PATTERN Date:

06 Mar 2009

Step 1

Before doing any scans, Windows XP, Windows Vista, and Windows 7 users must disable System Restore to allow full scanning of their computers.

Step 2

Identify and terminate files detected as WORM_SDBOT.UH

[ Learn More ]
  1. Windows Task Manager may not display all running processes. In this case, please use a third-party process viewer, preferably Process Explorer, to terminate the malware/grayware/spyware file. You may download the said tool here.
  2. If the detected file is displayed in either Windows Task Manager or Process Explorer but you cannot delete it, restart your computer in safe mode. To do this, refer to this link for the complete steps.
  3. If the detected file is not displayed in either Windows Task Manager or Process Explorer, continue doing the next steps.

Step 3

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_LOCAL_MACHINE\Software\Microsoft\Windows\CurrentVersion\Run
    • Microsoft Time Manager = "dveldr.exe"
  • In HKEY_LOCAL_MACHINE\Software\Microsoft\Windows\CurrentVersion\RunServices
    • Microsoft Time Manager = "dveldr.exe"
  • In HKEY_LOCAL_MACHINE\Software\Microsoft\Ole
    • Microsoft Time Manager = "dveldr.exe"

Step 4

Scan your computer with your Trend Micro product to delete files detected as WORM_SDBOT.UH. 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 5

Download and apply these security patches Refrain from using these products until the appropriate patches have been installed. Trend Micro advises users to download critical patches upon release by vendors.
 

  • http://technet.microsoft.com/en-us/security/bulletin/ms03-026
  • http://technet.microsoft.com/en-us/security/bulletin/ms02-061
  • http://technet.microsoft.com/en-us/security/bulletin/ms03-007
  • http://technet.microsoft.com/en-us/security/bulletin/ms04-011


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