Categories: Trojan

Trojan.Win32.Cryprar.aei (file analysis)

The Trojan.Win32.Cryprar.aei 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 Trojan.Win32.Cryprar.aei virus can do?

  • SetUnhandledExceptionFilter detected (possible anti-debug)
  • Executed a command line with /C or /R argument to terminate command shell on completion which can be used to hide execution
  • Guard pages use detected – possible anti-debugging.
  • Dynamic (imported) function loading detected
  • Reads data out of its own binary image
  • A process created a hidden window
  • Executed a very long command line or script command which may be indicative of chained commands or obfuscation
  • 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
  • Created a process from a suspicious location
  • A script process created a new process
  • Appears to use command line obfuscation
  • Uses suspicious command line tools or Windows utilities

How to determine Trojan.Win32.Cryprar.aei?


File Info:

name: 2137B8C09ABC023FEC01.mlwpath: /opt/CAPEv2/storage/binaries/3fe5841c493389d8513b12f83a01d50b9dcb922c89ef88e7e710a13b85a18d74crc32: 04E99D45md5: 2137b8c09abc023fec0194d854e87a7bsha1: 41f7dfe77c6b76115f14def674f629954117478bsha256: 3fe5841c493389d8513b12f83a01d50b9dcb922c89ef88e7e710a13b85a18d74sha512: 74a3893dbbeed96b733a37b2335f9aa0b61ea88253822debcc5dab9ee521c52d1039a78cfb6a39a66a548608fc96242ebf0462fa62097e7996bdd5f31cbc8668ssdeep: 24576:IAOcZwXYYcCspN4GBlQ6EriuDbAPcOcUtvQJ:m0vOKlQ658Oc6Qtype: PE32 executable (GUI) Intel 80386, for MS Windowstlsh: T1D1251201B7C18472E63319351538AB156E7C7D205F29DE6FB3E879ADDF30581A228BA3sha3_384: 726b6bc0fd50ca1695ed6bca005c2432610ea14643f24483c692136fd37bcb89256a5ef1d2ae0fc86258b4e76ec36913ep_bytes: e89a040000e98efeffff3b0d68d64300timestamp: 2020-03-26 10:02:47

Version Info:

0: [No Data]

Trojan.Win32.Cryprar.aei also known as:

Bkav W32.AIDetect.malware2
Lionic Trojan.Win32.Ciusky.4!c
Cynet Malicious (score: 100)
FireEye Generic.mg.2137b8c09abc023f
McAfee Artemis!2137B8C09ABC
Cylance Unsafe
Sangfor Trojan.Win32.Sabsik.FL
K7AntiVirus Trojan ( 00581bcf1 )
Alibaba Trojan:Win32/Cryprar.fe91592c
K7GW Trojan ( 00581bcf1 )
Cybereason malicious.09abc0
Cyren W32/S-536dd2d1!Eldorado
Symantec Trojan.Gen.MBT
ESET-NOD32 RAR/Agent.DQ
APEX Malicious
Paloalto generic.ml
Kaspersky Trojan.Win32.Cryprar.aei
BitDefender Trojan.Ciusky.Gen.6
NANO-Antivirus Trojan.Win32.Cryprar.jjkczo
MicroWorld-eScan Trojan.Ciusky.Gen.6
Avast SFX:Runner-C [Bd]
Tencent Win32.Trojan.Cryprar.Hnkx
Ad-Aware Trojan.Ciusky.Gen.6
Emsisoft Trojan.Ciusky.Gen.6 (B)
McAfee-GW-Edition BehavesLike.Win32.Generic.dc
Sophos Mal/Generic-S
Ikarus Trojan.Agent
GData Trojan.Ciusky.Gen.6
Avira TR/Agent.cjwla
Gridinsoft Ransom.Win32.Sabsik.sa
ViRobot Trojan.Win32.Z.Ciusky.990880
Microsoft Trojan:Win32/Tiggre!rfn
ALYac Trojan.Ciusky.Gen.6
VBA32 Trojan.Cryprar
Malwarebytes Trojan.Dropper.VBS
Zoner Probably Heur.RARAutorun
TrendMicro-HouseCall TROJ_GEN.R002H0CLC21
Rising Malware.AbnormalScript/SFX!1.D9B9 (CLASSIC)
MaxSecure Win.MxResIcn.Heur.Gen
AVG SFX:Runner-C [Bd]
Panda Trj/CI.A

How to remove Trojan.Win32.Cryprar.aei?

  • 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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