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.

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.mlwpath: /opt/CAPEv2/storage/binaries/eb2d78eff2b7f17c19b1acb6f9d53f1e804d73b22092f27c19060c6e9c174fc6crc32: FF38F24Cmd5: 743161438bda2fa0f641cf786be66675sha1: 3c1a1c97116142f709fff881e20ec4b14f38eee6sha256: eb2d78eff2b7f17c19b1acb6f9d53f1e804d73b22092f27c19060c6e9c174fc6sha512: 1fde741256662d02479bb2c966c0b026f07001e429f70b03df80c337e60a03550ea7250aeb7005c016ae1ad22c1662f93544847b8c375d1a7cb2f35ae0dc417cssdeep: 1536:I3DtnPpXTGSEK2QmL57o5qDFBR4obWdQej:I3xpj8umt70q7ioCdztype: PE32 executable (GUI) Intel 80386, for MS Windowstlsh: T1F843AE076D52DA77CB719334097E7B4623FFEBB1CAE19A4F08D929E67452C2038D2249sha3_384: 1df3a00c9889e7a81352e89b9f265d567c4f28fe1afe7cd4891a6bbf4f66705477bba45cafc82272dbfd4fc2dbb3c6eaep_bytes: bad3650000558bec83ec0c8135228940timestamp: 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.