Analysis by: Anthony Joe Melgarejo
 PLATFORM:

Windows, Linux

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

  • Threat Type: Backdoor

  • Destructiveness: No

  • Encrypted: No

  • In the wild: Yes

  OVERVIEW

This backdoor may be downloaded by other malware/grayware/spyware from remote sites. It may be unknowingly downloaded by a user while visiting malicious websites.

  TECHNICAL DETAILS

File Size: 29601 bytes
File Type: Other
Memory Resident: No
Initial Samples Received Date: 16 Sep 2010

Arrival Details

This backdoor may be downloaded by other malware/grayware/spyware from remote sites.

It may be unknowingly downloaded by a user while visiting malicious websites.

NOTES:

This is the Trend Micro detection for malware written using Perl Script. It connects to a remote Internet Relay Chat (IRC) server to listen and wait for commands coming from a malicious user. Once successfully connected, it can perform a number of routines including:

  • Denial of service attack
  • Execute files
  • Upload/download files

  SOLUTION

Minimum Scan Engine: 9.700

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

Search and delete the file detected as PERL_SHELBOT.SMM

[ Learn More ]
Please make sure you check the Search Hidden Files and Folders checkbox in the More advanced options option to include all hidden files in the search result.


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