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PUA.Win32.KuaiZip.LH

April 08, 2020
 PLATFORM:

Windows

 OVERALL RISK RATING:
 REPORTED INFECTION:
 SYSTEM IMPACT RATING:
 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.

  TECHNICAL DETAILS

File Size:

698,392 bytes

File Type:

EXE

Memory Resident:

Yes

Initial Samples Received Date:

08 Apr 2020

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.

Dropping Routine

This Potentially Unwanted Application drops the following files:

  • %AppDataLocal%\Microsoft\Internet Explorer\MSIMGSIZ.DAT

(Note: %AppDataLocal% is the Local Application Data folder, which is usually C:\Documents and Settings\{user name}\Local Settings\Application Data on Windows 2000(32-bit), XP, and Server 2003(32-bit), or C:\Users\{user name}\AppData\Local on Windows Vista, 7, 8, 8.1, 2008(64-bit), 2012(64-bit) and 10(64-bit).)

Other Details

This Potentially Unwanted Application connects to the following possibly malicious URL:

  • http://beta-tpop4.{BLOCKED}4.com/newTpop/infoflow/ys01/2
  • http://beta-tpop4.{BLOCKED}4.com/newTpop/infoflow/utils/js/jquery.js
  • http://beta-tpop4.{BLOCKED}4.com/newTpop/infoflow/utils/css/index.css
  • http://beta-tpop4.{BLOCKED}4.com/newTpop/infoflow/utils/js/base64.js
  • http://beta-tpop4.{BLOCKED}4.com/newTpop/infoflow/utils/js/jquery.xdomainrequest.min.js
  • http://beta-tpop4.{BLOCKED}4.com/newTpop/infoflow/utils/js/nanoScrollerJS.js
  • http://beta-tpop4.{BLOCKED}4.com/newTpop/infoflow/utils/js/tpop.js
  • http://beta-tpop4.{BLOCKED}4.com/newTpop/infoflow/utils/js/events.js
  • http://beta-tpop4.{BLOCKED}4.com/newTpop/infoflow/utils/js/newsSsp.js
  • http://beta-tpop4.{BLOCKED}4.com/newTpop/infoflow/ys01/css/reset.css
  • http://beta-tpop4.{BLOCKED}4.com/newTpop/infoflow/utils/img/close.png
  • http://news.{BLOCKED}4.com/api/tpop_news_recommend/tpop1/ys01/0/6
  • http://test-ssp.{BLOCKED}4.com/ssp/ads?{random characters}
  • http://tt-img.{BLOCKED}4.com/image/44f399002564c06a9312c17288e00d84
  • http://tt-img.{BLOCKED}4.com/image/6134e042d04bc0ed5be9f39609c00afb
  • http://tt-img.{BLOCKED}4.com/image/ad0c3ac812e1336d6916378b7a386034
  • http://tt-img.{BLOCKED}4.com/image/7eea599660deceaae47ae99b2c5dfa74
  • http://{BLOCKED}.98.65/dfpcitv/pcitv?{random characters}
  • http://tt-img.{BLOCKED}4.com/image/d955dd1aac8835609518d91fb9925814
  • http://tt-img.{BLOCKED}4.com/image/0eec8ef86c431ff06f369622826ece00
  • http://ad.{BLOCKED}p.com/advertise/userclick?{random characters}
  • http://ads.{BLOCKED}4.com/{random path}?time=1575883822989
  • http://show.{BLOCKED}g.mediav.com/s?{random characters}
  • http://hm.{BLOCKED}u.com

This report is generated via an automated analysis system.

  SOLUTION

Minimum Scan Engine:

9.850

Step 1

Before doing any scans, Windows 7, Windows 8, Windows 8.1, and Windows 10 users must disable System Restore to allow full scanning of their computers.

Step 2

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.
  • %AppDataLocal%\Microsoft\Internet Explorer\MSIMGSIZ.DAT

Step 3

Scan your computer with your Trend Micro product to delete files detected as PUA.Win32.KuaiZip.LH. 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 the following Trend Micro Support pages for more information:


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