WORM_AUTORUN.HLM
Virus.Win32.Sality.gen.p (v) (Sunbelt)
Windows 2000, Windows XP, Windows Server 2003
Threat Type: Worm
Destructiveness: No
Encrypted:
In the wild: Yes
OVERVIEW
This worm 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
425,491 bytes
EXE
No
07 Jun 2012
Arrival Details
This worm arrives on a system as a file dropped by other malware or as a file downloaded unknowingly by users when visiting malicious sites.
Installation
This worm creates the following folders:
- %User Temp%\mswinsvr32
(Note: %User Temp% is the current user's Temp folder, which is usually C:\Documents and Settings\{user name}\Local Settings\Temp on Windows 2000, XP, and Server 2003.)
Other System Modifications
This worm adds the following registry keys:
HKEY_CLASSES_ROOT\.exe
HKEY_CLASSES_ROOT\exefile
HKEY_CLASSES_ROOT\exefile \DefaultIcon
This report is generated via an automated analysis system.
SOLUTION
9.200
Step 1
For Windows XP and Windows Server 2003 users, before doing any scans, please make sure you disable System Restore to allow full scanning of your computer.
Step 2
Delete this registry key
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_CLASSES_ROOT
- .exe
- In HKEY_CLASSES_ROOT
- exefile
- In HKEY_CLASSES_ROOT\exefile
- DefaultIcon
Step 3
Search and delete this folder
- %User Temp%\mswinsvr32
Step 4
Scan your computer with your Trend Micro product to delete files detected as WORM_AUTORUN.HLM. 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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