Backdoor.Manuscrypt removal tips

The Backdoor.Manuscrypt 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 Backdoor.Manuscrypt 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
• Possible date expiration check, exits too soon after checking local time
• Dynamic (imported) function loading detected
• Starts servers listening on 127.0.0.1:0
• Reads data out of its own binary image
• A process created a hidden window
• CAPE extracted potentially suspicious content
• The binary contains an unknown PE section name indicative of packing
• Authenticode signature is invalid
• A scripting utility was executed
• Uses Windows utilities for basic functionality
• Uses Windows utilities for basic functionality
• Behavioural detection: Injection (Process Hollowing)
• Executed a process and injected code into it, probably while unpacking
• Behavioural detection: Injection (inter-process)
• Checks for the presence of known windows from debuggers and forensic tools
• Created a process from a suspicious location
• Attempts to disable Windows Defender
• Attempts to modify Windows Defender using PowerShell
• Attempts to execute suspicious powershell command arguments

How to determine Backdoor.Manuscrypt?

File Info:
name: F79ED5C0114740A0570D.mlw
path: /opt/CAPEv2/storage/binaries/55592d6ea1fd87729bc828a060a3bc084f0a71dcd80516e1172cfdd9c455a046
crc32: 3C509D57
md5: f79ed5c0114740a0570d0bcd06ac6697
sha1: 19c79538bfe9c881a7b8aea2102f53a2a2ce288d
sha256: 55592d6ea1fd87729bc828a060a3bc084f0a71dcd80516e1172cfdd9c455a046
sha512: ce45364599a286a239c639cac28d391573653ae6fab0ecd6fd46c36eee49969de958f727afdc24efd6d0dc37d5fd8f709326c589d13a524bf26f48461ab60b43
ssdeep: 196608:xlErkG6SWVIiffeSmSZ1TX85yKdLOp8EoQCPPO:xWkSW7eSZZ1TXEyKdLOp8J7u
type: PE32 executable (GUI) Intel 80386, for MS Windows
tlsh: T1FD76332279D065F3ED5049F0A68C37F0059DB76017B082F3A3C5A88E9DBE3B996A49C5
sha3_384: ee74039c16eec2c0725a107cbe089c7346223b76c549fc76c55ecafd234ca59be11b649b2f83d0210ff8ddf7e49f4fb1
ep_bytes: 558bec6aff6898c24100680691410064
timestamp: 2019-02-21 16:00:00

Version Info:
CompanyName: Igor Pavlov
FileDescription: 7z Setup SFX
FileVersion: 19.00
InternalName: 7zS.sfx
LegalCopyright: Copyright (c) 1999-2018 Igor Pavlov
OriginalFilename: 7zS.sfx.exe
ProductName: 7-Zip
ProductVersion: 19.00
Translation: 0x0409 0x04b0

Backdoor.Manuscrypt also known as:

How to remove Backdoor.Manuscrypt?

• 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.