Categories: Backdoor

What is “Backdoor.Crysan”?

The Backdoor.Crysan 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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Removing PC viruses manually may take hours and may damage your PC in the process. We recommend using GridinSoft Anti-Malware for virus removal. Allows to complete scan and cure your PC during the trial period.
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What Backdoor.Crysan virus can do?

  • Executable code extraction
  • Creates RWX memory
  • Reads data out of its own binary image
  • A process created a hidden window
  • Network activity detected but not expressed in API logs
  • Anomalous binary characteristics

How to determine Backdoor.Crysan?


File Info:

crc32: 3385BD0Amd5: 1ad3853d042ad726fefea84b0d2fe181name: 1AD3853D042AD726FEFEA84B0D2FE181.mlwsha1: ede9e408d3a629bed4fd6498c5ba0139110c44fesha256: 4630139561d13a1b777368972765fb04cf0b237a850bc94d59ba7d2445d32019sha512: 01bb4beb02bcd391874368644282ac7eab479f0842e4b0339b676ab304b514aae1785d9c6f0e7c6417de588e77e913e094eea598218ad0e5e928fdd9b78d0170ssdeep: 12288:m8WvAMYGY5RFNBeU7vgTOzAdCeLh/B4wT:m8W4T17vgKzULBB4wTtype: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:

0: [No Data]

Backdoor.Crysan also known as:

Bkav W32.AIDetectVM.malware1
Elastic malicious (high confidence)
MicroWorld-eScan Trojan.GenericKDZ.72551
CAT-QuickHeal Backdoor.Crysan
ALYac Backdoor.RAT.Async
Malwarebytes Trojan.Injector
Zillya Backdoor.Androm.Win32.75910
Sangfor Malware
K7AntiVirus Trojan ( 005765f11 )
BitDefender Trojan.GenericKDZ.72551
K7GW Trojan ( 005765f11 )
Cybereason malicious.8d3a62
BitDefenderTheta Gen:NN.ZexaF.34804.AyZ@a0NaHaji
Cyren W32/Kryptik.CXB.gen!Eldorado
Symantec ML.Attribute.HighConfidence
ESET-NOD32 Win32/Injector.EOGL
APEX Malicious
Kaspersky HEUR:Backdoor.Win32.Crysan.gen
Alibaba Backdoor:Win32/FormBook.157dfae5
ViRobot Trojan.Win32.Z.Agent.432640.JY
Tencent Malware.Win32.Gencirc.10ce3202
Ad-Aware Trojan.GenericKDZ.72551
Sophos Mal/Generic-S
Comodo Malware@#1p9ianm50b7ak
F-Secure Heuristic.HEUR/AGEN.1139979
DrWeb BackDoor.SpyBotNET.25
VIPRE Trojan.Win32.Generic!BT
TrendMicro TROJ_FRS.0NA103AJ21
McAfee-GW-Edition BehavesLike.Win32.Generic.gh
FireEye Generic.mg.1ad3853d042ad726
Emsisoft Trojan.GenericKDZ.72551 (B)
SentinelOne Static AI – Suspicious PE
GData Win32.Trojan.PSE.1C6IZZR
Jiangmin Trojan.Generic.gscmo
Avira HEUR/AGEN.1139979
MAX malware (ai score=84)
Antiy-AVL Trojan/Win32.Injector
Kingsoft Win32.Hack.Undef.(kcloud)
Arcabit Trojan.Generic.D11B67
ZoneAlarm HEUR:Backdoor.Win32.Crysan.gen
Microsoft Trojan:Win32/FormBook.VAM!MTB
Cynet Malicious (score: 100)
AhnLab-V3 Malware/Gen.RL_Reputation.R363575
McAfee GenericRXNJ-WJ!1AD3853D042A
VBA32 Trojan.Wacatac
Cylance Unsafe
Panda Trj/CI.A
TrendMicro-HouseCall TROJ_FRS.0NA103AJ21
Rising Dropper.Agent!1.D191 (CLASSIC)
Yandex Trojan.Igent.bVbKhn.36
Ikarus Trojan.Win32.Crypt
Fortinet Malicious_Behavior.SB
AVG Win32:PWSX-gen [Trj]
Avast Win32:PWSX-gen [Trj]
CrowdStrike win/malicious_confidence_100% (W)
Qihoo-360 Win32/Backdoor.38e

How to remove Backdoor.Crysan?

  • 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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Paul Valéry

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