PUA.Win32.KeyGen.CRPY
Trojan:Win32/Obsidium (Microsoft); Generic-FAWW!D2A984B105EC (McAfee); Downloader (Symantec); Mal/EncPk-ANL (Sophos); Trojan.Win32.Generic!BT (Sunbelt)
Windows
![](/vinfo/imgFiles/legend.jpg)
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
1,783,744 bytes
EXE
Yes
17 Jun 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.
Installation
This Potentially Unwanted Application creates the following folders:
- %Application Data%\Obsidium
- %Application Data%\Obsidium\{2D1D40D2-57AC531F-397FDA28-8E8B1C51}
(Note: %Application Data% is the current user's Application Data folder, which is usually C:\Documents and Settings\{user name}\Application Data on Windows 2000(32-bit), XP, and Server 2003(32-bit), or C:\Users\{user name}\AppData\Roaming on Windows Vista, 7, 8, 8.1, 2008(64-bit), 2012(64-bit) and 10(64-bit).)
Dropping Routine
This Potentially Unwanted Application drops the following files:
- %AppDataLocal%\GDIPFONTCACHEV1.DAT
- %Application Data%\Obsidium\{2D1D40D2-57AC531F-397FDA28-8E8B1C51}\00000BA4.obs
(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).. %Application Data% is the current user's Application Data folder, which is usually C:\Documents and Settings\{user name}\Application Data on Windows 2000(32-bit), XP, and Server 2003(32-bit), or C:\Users\{user name}\AppData\Roaming on Windows Vista, 7, 8, 8.1, 2008(64-bit), 2012(64-bit) and 10(64-bit).)
This report is generated via an automated analysis system.
SOLUTION
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 these components
- %AppDataLocal%\GDIPFONTCACHEV1.DAT
- %Application Data%\Obsidium\{2D1D40D2-57AC531F-397FDA28-8E8B1C51}\00000BA4.obs
Step 3
Search and delete these folders
- %Application Data%\Obsidium
- %Application Data%\Obsidium\{2D1D40D2-57AC531F-397FDA28-8E8B1C51}
Step 4
Scan your computer with your Trend Micro product to delete files detected as PUA.Win32.KeyGen.CRPY. 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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