Backdoor.MSIL.Crysan.dfc removal guide

The Backdoor.MSIL.Crysan.dfc 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 Backdoor.MSIL.Crysan.dfc virus can do?

• Behavioural detection: Executable code extraction – unpacking
• SetUnhandledExceptionFilter detected (possible anti-debug)
• Yara rule detections observed from a process memory dump/dropped files/CAPE
• Creates RWX memory
• Guard pages use detected – possible anti-debugging.
• Dynamic (imported) function loading detected
• At least one IP Address, Domain, or File Name was found in a crypto call
• A process created a hidden window
• CAPE extracted potentially suspicious content
• Drops a binary and executes it
• Authenticode signature is invalid
• A scripting utility was executed
• Uses Windows utilities for basic functionality
• Deletes its original binary from disk
• Created a process from a suspicious location
• Collects and encrypts information about the computer likely to send to C2 server
• Creates a hidden or system file
• CAPE detected the AsyncRat malware family
• Anomalous binary characteristics

Related domains:

How to determine Backdoor.MSIL.Crysan.dfc?

File Info:
name: 401F3920A22DA2CAC6BD.mlwpath: /opt/CAPEv2/storage/binaries/4bc75f5cba453e23878227e39cc5d32bb350fa6d557eadaae2c47810c707a4e2crc32: 6F3756A8md5: 401f3920a22da2cac6bdd36beb063faesha1: 196555953406f663feda1da7c22a2ab08b88bc12sha256: 4bc75f5cba453e23878227e39cc5d32bb350fa6d557eadaae2c47810c707a4e2sha512: 9dc68df903b7aae72bd09d5da929cc442f9fdf87c3c628f0234acc5d9b6f38aa36a82b8c8a6515c17d81bda8708b0ea8b05154b04ddd030b6fb51e5847e61ef3ssdeep: 24576:FCOZcjE2Uo8E0lT7nRM5KI9ILmidD/MVvQF4kp2tzgWQdNlufsWXh2n:auNlaLAEQbdnwXwtype: PE32 executable (GUI) Intel 80386, for MS Windowstlsh: T1958533A69A40C38AD6C4487915B7F2C9CEFE8C0949C5818F994E240F7CB1E4DF656CFAsha3_384: 83b1e3d63d08b5c4d92d475639ff202c4038e96944f57257cf1d3091c671d35646017ad084162bce08631bb4302cc216ep_bytes: e8351f19006a00ff15a4505900c3ee00timestamp: 2021-11-22 11:00:38
Version Info:
FileDescription: Process HackerProductName: Process HackerFileVersion: 2.39.0.124ProductVersion: 2.39.0.124LegalCopyright: Licensed under the GNU GPL, v3.OriginalFilename: ProcessHacker.exeTranslation: 0x0409 0x0000

Backdoor.MSIL.Crysan.dfc also known as:

How to remove Backdoor.MSIL.Crysan.dfc?

• 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.