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ADW_ICLOADER.GA

October 05, 2017
 Analysis by: Michael Jay Villanueva
 ALIASES:

SoftwareBundler:Win32/ICLoader (Microsoft); Application.Win32.ICLoader.FWQY (Comodo)

 PLATFORM:

Windows

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

  • Threat Type: Adware

  • Destructiveness: No

  • Encrypted: No

  • In the wild: Yes

  OVERVIEW

Infection Channel:

Dropped by other malware, Downloaded from the Internet, Manually installed by user

This Adware may arrive bundled with malware packages as a malware component. It arrives on a system as a file dropped by other malware or as a file downloaded unknowingly by users when visiting malicious sites. It may be manually installed by a user.

It connects to certain websites to send and receive information. It deletes itself after execution.

  TECHNICAL DETAILS

File Size:

4,088,768 bytes

File Type:

EXE

Memory Resident:

No

Initial Samples Received Date:

29 Sep 2017

Payload:

Drops files, Connects to URLs/IPs

Arrival Details

This Adware may arrive bundled with malware packages as a malware component.

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

It may be manually installed by a user.

Download Routine

This Adware accesses the following websites to download files:

  • http://download-new.utorrent.com/endpoint/utorrent/os/windows/track/stable/ -> Non-malicious URL

It saves the files it downloads using the following names:

  • {Default Download Path of the Computer / User-assigned Path}\{User-assigned Filename}.exe -> Normal file, may be unwanted by the user
    Note: The Default Filename of the downloaded file is “visio error 128 corrupt file repair”

Other Details

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

  • http://{BLOCKED}-57-202-176.eu-central-1.compute.amazonaws.com/request/autok?user=youllupuki&ver=9&key=80784fb5bbf8032b8530b4c355ba180f
  • http://{BLOCKED}-57-202-176.eu-central-1.compute.amazonaws.com/request/conditions?user=youllupuki&ver=9&key=5bf0ce1e938ba338f1f2868bac32c7d5&token=23ed99ededf0c185f7b0aafb5bc2f6ba

It deletes itself after execution.

NOTES:
Upon execution of the adware, it will show the initialization window while checking the connection of the URL mentioned on "Other Details" Section:

After a successful access on the URLs, it will then show another window which will serve as the downloading of a possible unwanted file/software by the user:

  SOLUTION

Minimum Scan Engine:

9.850

SSAPI PATTERN File:

1.879.00

SSAPI PATTERN Date:

05 Oct 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 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.  
  • {Default Download Path of the Computer / User-assigned Path}\{User-assigned Filename}.exe

Step 4

Scan your computer with your Trend Micro product to delete files detected as ADW_ICLOADER.GA. 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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