Trojan.VBS.DROPPER.R
Script:SNH-gen [Trj] (AVAST)
Windows
![](/vinfo/imgFiles/legend.jpg)
Threat Type: Trojan
Destructiveness: No
Encrypted: No
In the wild: Yes
OVERVIEW
Downloaded from the Internet, Dropped by other malware
This Trojan 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
4,299 bytes
VBS
No
28 Jul 2024
Connects to URLs/IPs, Drops files
Arrival Details
This Trojan 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 Trojan drops the following files:
- %Temp%\rso.txt ← used to store the output of the command
(Note: %Temp% is the Windows temporary folder, where it usually is C:\Windows\Temp on all Windows operating system versions.)
Backdoor Routine
This Trojan connects to the following URL(s) to send and receive commands from a remote malicious user:
- http://{BLOCKED}.{BLOCKED}.{BLOCKED}.36:8080/GYNWETZ{RANDOM}
Other Details
This Trojan does the following:
- If the command is "SHEPP", it executes the command using cmd.exe and redirects the output to a temporary file (\rso.txt).
SOLUTION
9.800
19.500.04
31 Jul 2024
19.501.00
01 Aug 2024
Step 1
Trend Micro Predictive Machine Learning detects and blocks malware at the first sign of its existence, before it executes on your system. When enabled, your Trend Micro product detects this malware under the following machine learning name:
-
Downloader.VBS.TRX.XXVBS82EFF052
Step 2
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 3
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 4
Search and delete this file
- %Temp%\rso.txt
Step 5
Scan your computer with your Trend Micro product to delete files detected as Trojan.VBS.DROPPER.R. 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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