PUA_ELEX.GC

 Analysis by: Byron Jon Gelera

 ALIASES:

Adware/ELEX (Fortinet); Trojan:Win32/Xadupi (Microsoft); PUP/Winzipper (Panda)

 PLATFORM:

Windows

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

  • Threat Type: Potentially Unwanted Application

  • Destructiveness: No

  • Encrypted:

  • In the wild: Yes

  OVERVIEW

This potentially unwanted application arrives on a system as a file dropped by other malware or as a file downloaded unknowingly by users when visiting malicious sites. It arrives as a component bundled with malware/grayware packages.

  TECHNICAL DETAILS

File Size:

1,301,112 bytes

File Type:

EXE

Memory Resident:

No

Initial Samples Received Date:

26 Jan 2017

Arrival Details

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

It arrives as a component bundled with malware/grayware packages.

Installation

This potentially unwanted application drops the following files:

  • {Malware path}\log\winzipersvc.log

Other Details

This potentially unwanted application requires the following additional components to properly run:

  • curlpp.dll
  • libcurl.dll
  • libeay32.dll
  • msvcp110.dll
  • msvcr110.dll
  • ssleay32.dll
  • zlib1.dll

  SOLUTION

Minimum Scan Engine:

9.850

SSAPI PATTERN File:

1.807.00

SSAPI PATTERN Date:

02 Feb 2017

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

Search and delete this file

[ 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.  
  • {Malware path}\log\winzipersvc.log

Step 4

Scan your computer with your Trend Micro product to delete files detected as PUA_ELEX.GC. 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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