PUA.Win32.WinZip.AB
N/A
Windows
Threat Type: Potentially Unwanted Application
Destructiveness: No
Encrypted: No
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.
However, as of this writing, the said sites are inaccessible.
TECHNICAL DETAILS
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.
Installation
This Potentially Unwanted Application drops the following files:
- %User Temp%\{Random characters}\{Malware filename}
- %User Temp%\{Random characters}\installer_log_{Installation date}.txt
- %ProgramData%\UniqueId\data
- %User Temp%\{Random characters}\Agreement.html
- %User Temp%\{Random characters}\Complete.html
- %User Temp%\{Random characters}\css\jquery-ui.css
- %User Temp%\{Random characters}\css\style.css
- %User Temp%\{Random characters}\Eula.html
- %User Temp%\{Random characters}\images\arrow.png
- %User Temp%\{Random characters}\images\button-hover.png
- %User Temp%\{Random characters}\images\button-normal.png
- %User Temp%\{Random characters}\images\centerImg.png
- %User Temp%\{Random characters}\images\close-hover.png
- %User Temp%\{Random characters}\images\close-normal.png
- %User Temp%\{Random characters}\images\footerImg.png
- %User Temp%\{Random characters}\images\headerImg.png
- %User Temp%\{Random characters}\images\header_logo.png
- %User Temp%\{Random characters}\Installing.html
- %User Temp%\{Random characters}\js\contents.js
- %User Temp%\{Random characters}\js\external-dev.js
- %User Temp%\{Random characters}\js\external.js
- %User Temp%\{Random characters}\js\installparams.js
- %User Temp%\{Random characters}\js\jquery-1.11.2.min.js
- %User Temp%\{Random characters}\js\jquery-ui.min.js
- %User Temp%\{Random characters}\js\stubparams.js
- %User Temp%\{Random characters}\Load.html
- %User Temp%\{Random characters}\Welcome.html
- %Desktop%\Continue WinZip Installation.lnk
- %User Temp%\{Random characters}\winzip_en_32.msi
- %User Temp%\{Random characters}\winzip112.msi.log
(Note: %User Temp% is the current user's Temp folder, which is usually C:\Documents and Settings\{user name}\Local Settings\Temp on Windows 2000(32-bit), XP, and Server 2003(32-bit), or C:\Users\{user name}\AppData\Local\Temp on Windows Vista, 7, 8, 8.1, 2008(64-bit), 2012(64-bit) and 10(64-bit).. %ProgramData% is a version of the Program Files folder where any user on a multi-user computer can make changes to programs. This contains application data for all users. This is usually C:\ProgramData on Windows Vista, 7, 8, 8.1, 2008(64-bit), 2012(64-bit) and 10(64-bit), or C:\Documents and Settings\All Users on Windows Server 2003(32-bit), 2000(32-bit) and XP.. %Desktop% is the current user's desktop, which is usually C:\Documents and Settings\{User Name}\Desktop on Windows 2000(32-bit), XP, and Server 2003(32-bit), or C:\Users\{user name}\Desktop on Windows Vista, 7, 8, 8.1, 2008(64-bit), 2012(64-bit) and 10(64-bit).)
It adds the following processes:
- %User Temp%\{Random characters}\{Malware filename} run=1 shortcut="{Malware file path and name}"
(Note: %User Temp% is the current user's Temp folder, which is usually C:\Documents and Settings\{user name}\Local Settings\Temp on Windows 2000(32-bit), XP, and Server 2003(32-bit), or C:\Users\{user name}\AppData\Local\Temp on Windows Vista, 7, 8, 8.1, 2008(64-bit), 2012(64-bit) and 10(64-bit).)
Other Details
This Potentially Unwanted Application displays the following images:
It does the following:
- It attempts to get its EULA from the following URL:
- http://dl.i{BLOCKED}portal.com/license/WNZP/en/Eula.html
- It sends logs via POST to the following URL:
- http://i.{BLOCKED}lportal.com/v1/logAnalytics
However, as of this writing, the said sites are inaccessible.
SOLUTION
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
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
- %User Temp%\{Random characters}\{Malware filename}
- %User Temp%\{Random characters}\installer_log_{Installation date}.txt
- %ProgramData%\UniqueId\data
- %User Temp%\{Random characters}\Agreement.html
- %User Temp%\{Random characters}\Complete.html
- %User Temp%\{Random characters}\css\jquery-ui.css
- %User Temp%\{Random characters}\css\style.css
- %User Temp%\{Random characters}\Eula.html
- %User Temp%\{Random characters}\images\arrow.png
- %User Temp%\{Random characters}\images\button-hover.png
- %User Temp%\{Random characters}\images\button-normal.png
- %User Temp%\{Random characters}\images\centerImg.png
- %User Temp%\{Random characters}\images\close-hover.png
- %User Temp%\{Random characters}\images\close-normal.png
- %User Temp%\{Random characters}\images\footerImg.png
- %User Temp%\{Random characters}\images\headerImg.png
- %User Temp%\{Random characters}\images\header_logo.png
- %User Temp%\{Random characters}\Installing.html
- %User Temp%\{Random characters}\js\contents.js
- %User Temp%\{Random characters}\js\external-dev.js
- %User Temp%\{Random characters}\js\external.js
- %User Temp%\{Random characters}\js\installparams.js
- %User Temp%\{Random characters}\js\jquery-1.11.2.min.js
- %User Temp%\{Random characters}\js\jquery-ui.min.js
- %User Temp%\{Random characters}\js\stubparams.js
- %User Temp%\{Random characters}\Load.html
- %User Temp%\{Random characters}\Welcome.html
- %Desktop%\Continue WinZip Installation.lnk
- %User Temp%\{Random characters}\winzip_en_32.msi
- %User Temp%\{Random characters}\winzip112.msi.log
Step 4
Scan your computer with your Trend Micro product to delete files detected as PUA.Win32.WinZip.AB. 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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