Trojan.Win32.ZPEVDO.AE
Trojan.Win32.Trickster.dnq (Kaspersky)
Windows
Threat Type: Trojan
Destructiveness: No
Encrypted: Yes
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
6,263,906 bytes
EXE
No
22 Feb 2019
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 creates the following folders:
- %User Temp%\_MEI{random digits}
(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, XP, and Server 2003, or C:\Users\{user name}\AppData\Local\Temp on Windows Vista, 7, and 8.)
Dropping Routine
This Trojan drops the following files:
- %User Temp%\_MEI{random digits}\_ctypes.pyd
- %User Temp%\_MEI{random digits}\_hashlib.pyd
- %User Temp%\_MEI{random digits}\_mssql.pyd
- %User Temp%\_MEI{random digits}\_socket.pyd
- %User Temp%\_MEI{random digits}\_ssl.pyd
- %User Temp%\_MEI{random digits}\bz2.pyd
- %User Temp%\_MEI{random digits}\Crypto.Cipher._AES.pyd
- %User Temp%\_MEI{random digits}\Crypto.Cipher._ARC4.pyd
- %User Temp%\_MEI{random digits}\Crypto.Cipher._DES.pyd
- %User Temp%\_MEI{random digits}\Crypto.Cipher._DES3.pyd
- %User Temp%\_MEI{random digits}\Crypto.Hash._MD4.pyd
- %User Temp%\_MEI{random digits}\Crypto.Hash._SHA256.pyd
- %User Temp%\_MEI{random digits}\Crypto.Random.OSRNG.winrandom.pyd
- %User Temp%\_MEI{random digits}\Crypto.Util._counter.pyd
- %User Temp%\_MEI{random digits}\Crypto.Util.strxor.pyd
- %User Temp%\_MEI{random digits}\ii.exe.manifest
- %User Temp%\_MEI{random digits}\Microsoft.VC90.CRT.manifest
- %User Temp%\_MEI{random digits}\msvcm90.dll
- %User Temp%\_MEI{random digits}\msvcp90.dll
- %User Temp%\_MEI{random digits}\msvcr90.dll
- %User Temp%\_MEI{random digits}\python27.dll
- %User Temp%\_MEI{random digits}\pywintypes27.dll
- %User Temp%\_MEI{random digits}\select.pyd
- %User Temp%\_MEI{random digits}\unicodedata.pyd
- %User Temp%\_MEI{random digits}\win32api.pyd
- %User Temp%\_MEI{random digits}\win32pipe.pyd
- %User Temp%\_MEI{random digits}\win32wnet.pyd
- {malware path}\oskjwyh28s3.exe
(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, XP, and Server 2003, or C:\Users\{user name}\AppData\Local\Temp on Windows Vista, 7, and 8.)
Other Details
This Trojan does the following:
- It executes the following commands:
- net user
- netsh advfirewall set allprofile state on
- netsh advfirewall firewall add rule name=denyy445 dir=in action=block protocol=TCP localport=445
- netsh advfirewall firewall add rule name=denyy135 dir=in action=block protocol=TCP localport=135
- netsh advfirewall firewall add rule name=denyy136 dir=in action=block protocol=TCP localport=136
- netsh advfirewall firewall add rule name=denyy137 dir=in action=block protocol=TCP localport=137
SOLUTION
9.850
14.834.06
22 Feb 2019
14.835.00
23 Feb 2019
Step 1
Before doing any scans, Windows XP, Windows Vista, and Windows 7 users must disable System Restore to allow full scanning of their computers.
Step 2
Search and delete this folder
Step 3
Search and delete this file
Step 4
Scan your computer with your Trend Micro product to delete files detected as Trojan.Win32.ZPEVDO.AE. 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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