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Threat Encyclopedia

WORM_MYDOOM.EA


ALIASES:

TrojanDropper:Win32/Lyzapo.A (Microsoft); W32/Mydoom.cf (McAfee); Trojan.Dozer (Symantec); Trojan.Win32.Agent.cpes (Kaspersky); Trojan.Win32.Agent.cpe (v) (Sunbelt); Trojan.Agent.ANDG (FSecure)

PLATFORM:

Windows 2000, Windows XP, Windows Server 2003

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

  • 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.

It deletes itself after execution.

TECHNICAL DETAILS

File Size:

25,404 bytes

File Type:

EXE

Memory Resident:

No

Initial Samples Received Date:

04 May 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.

Dropping Routine

This worm drops the following files:

  • uregvs.nls

Other Details

This worm deletes itself after execution.

This report is generated via an automated analysis system.

SOLUTION

Minimum Scan Engine:

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

Search and delete this file

[ Learn More ]
There may be some component files that are hidden. Please make sure you check the Search Hidden Files and Folders checkbox in the More advanced options option to include all hidden files and folders in the search result.
  • uregvs.nls

Step 3

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