Analysis by: Roland Marco Dela Paz
ALIASES:

Microsoft : TrojanDownloader:Win32/Renos.PA; Mcafee : Downloader-CEW.r

 PLATFORM:

Windows 2000, XP, Server 2003

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

  • Threat Type: Trojan

  • Destructiveness: No

  • Encrypted: Yes

  • In the wild: Yes

  OVERVIEW

It may connect to remote site(s) to download possibly malicious file(s).

However, due to errors in its code, it fails to perform its intended routine.

  TECHNICAL DETAILS

File Size: 83,968 bytes
File Type: EXE
Memory Resident: Yes
Initial Samples Received Date: 10 Feb 2011

NOTES:

Other Details

It does the following:

  • It may connect to remote site(s) to download possibly malicious file(s).

However, due to errors in its code, it fails to perform its intended routine.

  SOLUTION

Minimum Scan Engine: 8.900
VSAPI OPR PATTERN File: 7.829.00
VSAPI OPR PATTERN Date: 10 Feb 2011

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

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