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TROJ_UPATRE.AEP

December 02, 2015
 ALIASES:

TrojanDownloader:Win32/Upatre (Microsoft), Downloader.Upatre (Symantec), Upatre-FACH!8BA64BA1EDA4 (McAfee),

 PLATFORM:

Windows

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

  • Threat Type: Trojan

  • Destructiveness: No

  • Encrypted:

  • In the wild: Yes

  OVERVIEW

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 then deletes itself afterward.

  TECHNICAL DETAILS

File Size:

34,816 bytes

File Type:

EXE

Memory Resident:

No

Initial Samples Received Date:

11 Oct 2015

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.

Installation

This Trojan executes then deletes itself afterward.

Other Details

This Trojan connects to the following URL(s) to get the affected system's IP address:

  • http://icanhazip.com

It connects to the following possibly malicious URL:

  • http://{BLOCKED}.{BLOCKED}.90.166:12109/19UKT4/WIN7-X86-01/0/61-SP1/0/EDGBIBJBFHG
  • http://{BLOCKED}.{BLOCKED}.64.45:443/pic_green9.png
  • http://{BLOCKED}.{BLOCKED}.203.43:443/pic_green9.png
  • http://{BLOCKED}.{BLOCKED}.76.211:443/pic_green9.png
  • http://{BLOCKED}.{BLOCKED}.20.53:443/pic_green9.png
  • http://{BLOCKED}.{BLOCKED}.42.3:443/pic_green9.png

  SOLUTION

Minimum Scan Engine:

9.800

FIRST VSAPI PATTERN FILE:

12.160.04

FIRST VSAPI PATTERN DATE:

19 Nov 2015

VSAPI OPR PATTERN File:

12.161.00

VSAPI OPR PATTERN Date:

20 Nov 2015

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

Note that not all files, folders, and registry keys and entries are installed on your computer during this malware's/spyware's/grayware's execution. This may be due to incomplete installation or other operating system conditions. If you do not find the same files/folders/registry information, please proceed to the next step.

Step 3

Restart in Safe Mode

[ Learn More ]

Step 4

Restart in normal mode and scan your computer with your Trend Micro product for files detected as TROJ_UPATRE.AEP. 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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