Trojan:Win32/Matsnu!A removal guide

The Trojan:Win32/Matsnu!A is considered dangerous by lots of security experts. When this infection is active, you may notice unwanted processes in Task Manager list. In this case, it is adviced to scan your computer with GridinSoft Anti-Malware.

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What Trojan:Win32/Matsnu!A virus can do?

• Behavioural detection: Executable code extraction – unpacking
• Yara rule detections observed from a process memory dump/dropped files/CAPE
• Performs HTTP requests potentially not found in PCAP.
• CAPE extracted potentially suspicious content
• Drops a binary and executes it
• The binary contains an unknown PE section name indicative of packing
• The binary likely contains encrypted or compressed data.
• Authenticode signature is invalid
• Uses Windows utilities for basic functionality
• Behavioural detection: Injection (inter-process)
• Behavioural detection: Injection with CreateRemoteThread in a remote process
• Attempts to modify proxy settings
• Creates a copy of itself
• Deletes executed files from disk

How to determine Trojan:Win32/Matsnu!A?

File Info:
name: 743161438BDA2FA0F641.mlw
path: /opt/CAPEv2/storage/binaries/eb2d78eff2b7f17c19b1acb6f9d53f1e804d73b22092f27c19060c6e9c174fc6
crc32: FF38F24C
md5: 743161438bda2fa0f641cf786be66675
sha1: 3c1a1c97116142f709fff881e20ec4b14f38eee6
sha256: eb2d78eff2b7f17c19b1acb6f9d53f1e804d73b22092f27c19060c6e9c174fc6
sha512: 1fde741256662d02479bb2c966c0b026f07001e429f70b03df80c337e60a03550ea7250aeb7005c016ae1ad22c1662f93544847b8c375d1a7cb2f35ae0dc417c
ssdeep: 1536:I3DtnPpXTGSEK2QmL57o5qDFBR4obWdQej:I3xpj8umt70q7ioCdz
type: PE32 executable (GUI) Intel 80386, for MS Windows
tlsh: T1F843AE076D52DA77CB719334097E7B4623FFEBB1CAE19A4F08D929E67452C2038D2249
sha3_384: 1df3a00c9889e7a81352e89b9f265d567c4f28fe1afe7cd4891a6bbf4f66705477bba45cafc82272dbfd4fc2dbb3c6ea
ep_bytes: bad3650000558bec83ec0c8135228940
timestamp: 2011-01-08 15:18:33

Version Info:
0: [No Data]

Trojan:Win32/Matsnu!A also known as:

How to remove Trojan:Win32/Matsnu!A?

• Download and install GridinSoft Anti-Malware.
• Open GridinSoft Anti-Malware and perform a “Standard scan“.
• “Move to quarantine” all items.
• Open “Tools” tab – Press “Reset Browser Settings“.
• Select proper browser and options – Click “Reset”.
• Restart your computer.