Ransom.Win32.RANSIM.A
Windows
![](/vinfo/imgFiles/legend.jpg)
Threat Type: Ransomware
Destructiveness: No
Encrypted: Yes
In the wild: Yes
OVERVIEW
This Ransomware arrives as a component bundled with malware/grayware packages.
TECHNICAL DETAILS
784,896 bytes
Other
No
27 Jun 2019
Arrival Details
This Ransomware arrives as a component bundled with malware/grayware packages.
Installation
This Ransomware drops the following files:
- %User Temp%\59fcdc0f-f5f2-416d-ad8f-bdbd95c33d63\AgileDotNetRT.dll
- %AppDataLocal%\RnSimulator\TestFolder\Tests\0\startfolder.log
- %AppDataLocal%\RnSimulator\TestFolder\Tests\0\datarst.csv
(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).. %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).)
Ransomware Routine
This Ransomware renames encrypted files using the following names:
- {encrypted file}.cr
SOLUTION
9.850
15.200.06
27 Jun 2019
15.201.00
28 Jun 2019
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%\59fcdc0f-f5f2-416d-ad8f-bdbd95c33d63\AgileDotNetRT.dll
- %AppDataLocal%\RnSimulator\TestFolder\Tests\0\startfolder.log
- %AppDataLocal%\RnSimulator\TestFolder\Tests\0\datarst.csv
Step 4
Scan your computer with your Trend Micro product to clean files detected as Ransom.Win32.RANSIM.A. 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:
Step 5
Restore encrypted files from backup.
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