Categories: Backdoor

About “Backdoor.ManuScrypt” infection

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?

  • SetUnhandledExceptionFilter detected (possible anti-debug)
  • Yara rule detections observed from a process memory dump/dropped files/CAPE
  • Dynamic (imported) function loading detected
  • Unconventionial language used in binary resources: Chinese (Simplified)
  • Authenticode signature is invalid
  • Anomalous binary characteristics

How to determine Backdoor.ManuScrypt?


File Info:

name: C8F11E1D4B44B790880E.mlwpath: /opt/CAPEv2/storage/binaries/e89a809166e6162ba2109e0eb18086055550cc4c9fac5e4e0504eef3e6277ae5crc32: B23B032Bmd5: c8f11e1d4b44b790880ec8621313976asha1: 358e733df242c51020c50dfd5682775749e5810csha256: e89a809166e6162ba2109e0eb18086055550cc4c9fac5e4e0504eef3e6277ae5sha512: 1f10a6940002fc8664be87adc508cf56b6b1a01466866a731d9cc73748f01484c0d962c6c532ff79458aa4fedb3f008b2303164ea04376bd92653e649bbee877ssdeep: 3072:gUjUl2b7MXSamAalYfw8BS+MWHbbXdARiBc5Jwr73pdeaDtzk9AZEPg4Tdp:gYeeQXSamASYfgcbbNXcwA9AZEPbtype: PE32 executable (GUI) Intel 80386, for MS Windowstlsh: T194249D2132D2C073E4A7153149E287B877B6BF52AB32C54FAB903B4E1E706558E35F62sha3_384: 49ebecc54cdbf44934724aefc6abb7c4f2cb7a3500099f45ba69e2e45d4f6de79717fe2594adb1a9d5ebb9bc9cefff3dep_bytes: e876440000e917feffff3b0d70bd4200timestamp: 2022-07-09 16:43:04

Version Info:

CompanyName: TODO: FileDescription: TODO: FileVersion: 1.0.0.1InternalName: UserLogin.exeLegalCopyright: TODO: (c) . All rights reserved.OriginalFilename: UserLogin.exeProductName: TODO: ProductVersion: 1.0.0.1Translation: 0x0409 0x04e4

Backdoor.ManuScrypt also known as:

MicroWorld-eScan Gen:Variant.Zusy.432628
FireEye Gen:Variant.Zusy.432628
McAfee GenericRXAA-AA!C8F11E1D4B44
Cylance Unsafe
K7AntiVirus Riskware ( 00584baa1 )
K7GW Riskware ( 00584baa1 )
Elastic malicious (moderate confidence)
ESET-NOD32 Win32/TrojanDownloader.Agent.GJT
Kaspersky HEUR:Backdoor.Win32.Manuscrypt.gen
BitDefender Gen:Variant.Zusy.432628
NANO-Antivirus Trojan.Win32.Manuscrypt.jqavqw
Avast Win32:BackdoorX-gen [Trj]
Tencent Malware.Win32.Gencirc.10d0904d
Ad-Aware Gen:Variant.Zusy.432628
Emsisoft Gen:Variant.Zusy.432628 (B)
VIPRE Gen:Variant.Zusy.432628
Trapmine suspicious.low.ml.score
GData Gen:Variant.Zusy.432628
Jiangmin Backdoor.Manuscrypt.p
Avira BDS/Redcap.qycrz
MAX malware (ai score=88)
Antiy-AVL Trojan/Generic.ASMalwS.7014
Kingsoft Win32.Hack.Undef.(kcloud)
Arcabit Trojan.Zusy.D699F4
Microsoft Trojan:Win32/Sabsik.FL.B!ml
Cynet Malicious (score: 99)
AhnLab-V3 Trojan/Win.Generic.R503791
VBA32 Backdoor.Manuscrypt
ALYac Gen:Variant.Zusy.432628
Malwarebytes Backdoor.ManuScrypt
APEX Malicious
Yandex Trojan.DL.Agent!IKQvCRY/YVs
MaxSecure Trojan.Malware.101005268.susgen
AVG Win32:BackdoorX-gen [Trj]

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.
Paul Valéry

I'm a cyber security analyst and data science expert with 5+ years of experience with security software contractors.

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