Trojan.BAT.MEKOTIO.B
HEUR:Trojan.BAT.Generic (KASPERSKY)
Windows
![](/vinfo/imgFiles/legend.jpg)
Threat Type: Trojan
Destructiveness: No
Encrypted:
In the wild: Yes
OVERVIEW
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
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:
- %User Temp%\{8 Random Characters}.{3 Random Characters}.ps1 → Deleted afterwards
- %User Temp%\{8 Random Characters}.{3 Random Characters}.psm1 → Deleted afterwards
- %AppDataLocal%\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
(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).)
It adds the following processes:
- "cmd.exe /S /D /c" echo %ONPyZ4Vn0PUhRyls%
- powershell.exe -exec bypass -nop -win 1 -
Other Details
This Trojan connects to the following possibly malicious URL:
- http://{BLOCKED}.{BLOCKED}.{BLOCKED}.1/contadores/L4n0NHf.php?Pj96=mVgXVh6SQIi7gUGjRR5GewCgBGZHgM9ntsN2qyDYjki37p0beUyLi6urS5R2LZmDvGescVH
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
Scan your computer with your Trend Micro product to delete files detected as Trojan.BAT.MEKOTIO.B. 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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