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TSPY_POSLOGR.Q

May 05, 2015
 Analysis by: Francis Xavier Antazo
 ALIASES:

Backdoor:Win32/Unskal.C (Microsoft) ,Infostealer.Posfind (Symantec)

 PLATFORM:

Windows

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

  • Threat Type: Spyware

  • Destructiveness: No

  • Encrypted:

  • In the wild: Yes

  OVERVIEW


This spyware arrives on a system as a file dropped by other malware or as a file downloaded unknowingly by users when visiting malicious sites. However, as of this writing, the said sites are inaccessible.

It connects to certain websites to send and receive information.

  TECHNICAL DETAILS

File Size:

120,320 bytes

File Type:

EXE

Memory Resident:

No

Initial Samples Received Date:

05 May 2015

Arrival Details

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

However, as of this writing, the said sites are inaccessible.

Information Theft

This spyware gathers the following data:

  • Keyboard Logs
  • Computer Name
  • OS Version

Other Details

This spyware connects to the following website to send and receive information:

  • http://{BLOCKED}artlet.com/pes13/viewtopic.php
  • http://{BLOCKED}rticartf.com/pes13/viewtopic.php
  • http://{BLOCKED}laxuntf.ru/pes13/viewtopic.php
  • http://{BLOCKED}eplicag.ru/pes13/viewtopic.php
  • http://{BLOCKED}mzusoln.ru/pes13/viewtopic.php
  • http://{BLOCKED}tguqan.ru/pes13/viewtopic.php
  • http://{BLOCKED}artlet.com/pes13/viewtopic.php
  • http://{BLOCKED}rticartf.com/pes13/viewtopic.php
  • http://{BLOCKED}laxuntf.ru/pes13/viewtopic.php
  • http://{BLOCKED}eplicag.ru/pes13/viewtopic.php
  • http://{BLOCKED}mzusoln.ru/pes13/viewtopic.php
  • http://{BLOCKED}tguqan.ru/pes13/viewtopic.php

  SOLUTION

Minimum Scan Engine:

9.750

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 these files

[ Learn More ]
There may be some 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.  
  • %User Temp%\BN{random file name}.tmp

Step 3

Scan your computer with your Trend Micro product to delete files detected as TSPY_POSLOGR.Q. 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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