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VBS_PSYME.SHTQ

September 17, 2016
 ALIASES:

Trojan-Downloader.VBS.Psyme.rp (Kaspersky), Trojan.Downloader.VBS.IR (BitDefender)

 PLATFORM:

Windows

 OVERALL RISK RATING:
 REPORTED INFECTION:

  • Threat Type: Trojan

  • Destructiveness: No

  • Encrypted: Yes

  • In the wild: Yes

  OVERVIEW

Infection Channel:

Downloaded from the Internet

This Trojan arrives on a system as a file dropped by other malware or as a file downloaded unknowingly by users when visiting malicious sites.

It executes the downloaded files. As a result, malicious routines of the downloaded files are exhibited on the affected system.

  TECHNICAL DETAILS

File Size:

15,489 bytes

File Type:

VBS

Memory Resident:

No

Initial Samples Received Date:

08 Sep 2016

Payload:

Downloads files

Arrival Details

This Trojan arrives on a system as a file dropped by other malware or as a file downloaded unknowingly by users when visiting malicious sites.

Download Routine

This Trojan connects to the following website(s) to download and execute a malicious file:

  • {BLOCKED}.{BLOCKED}.143.25:4000/e
  • {BLOCKED}.{BLOCKED}.115.91:4000/e
  • {BLOCKED}.{BLOCKED}.43.8:4000/b
  • {BLOCKED}.{BLOCKED}.232.8:4000/d
  • {BLOCKED}.{BLOCKED}.246.227:4000/g
  • {BLOCKED}.{BLOCKED}.16.59:4000/d
  • {BLOCKED}.{BLOCKED}.145.199:4000/e

It then executes the downloaded files. As a result, malicious routines of the downloaded files are exhibited on the affected system.

  SOLUTION

Minimum Scan Engine:

9.800

FIRST VSAPI PATTERN FILE:

12.764.04

FIRST VSAPI PATTERN DATE:

08 Sep 2016

VSAPI OPR PATTERN File:

12.765.00

VSAPI OPR PATTERN Date:

09 Sep 2016

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

Scan your computer with your Trend Micro product to delete files detected as VBS_PSYME.SHTQ. 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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