Categories: Trojan

Trojan:Win32/CryptInject.APR!MTB malicious file

The Trojan:Win32/CryptInject.APR!MTB 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/CryptInject.APR!MTB virus can do?

  • Behavioural detection: Executable code extraction – unpacking
  • 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
  • Reads data out of its own binary image
  • A process created a hidden window
  • CAPE extracted potentially suspicious content
  • Authenticode signature is invalid
  • Behavioural detection: Injection (inter-process)
  • Created a process from a suspicious location
  • CAPE detected the Formbook malware family

How to determine Trojan:Win32/CryptInject.APR!MTB?


File Info:

name: 00F6B12EB5E9F063938B.mlwpath: /opt/CAPEv2/storage/binaries/99e25501d1c736865e766fe4e347cda8817f4005be1d7b0c336451b89be71ed2crc32: 990949E4md5: 00f6b12eb5e9f063938b604f05a71a5asha1: 5a62549b2a9083e653a7e9ea9d82cba8871c62aesha256: 99e25501d1c736865e766fe4e347cda8817f4005be1d7b0c336451b89be71ed2sha512: d20f6ef4d11210bf3048fc144901afa37981063915ea52812d193c277230b11cfdd86e5e98246476054f4ea012c8e7a7e2bf5d0623ec41c959aaf628a167aed6ssdeep: 6144:rGiNdUPTGkn+FFyQKadQZV4AXUHfay8jt8mEN2o8ld57rQZJSOI:hdUPTn+FTKzZGAXUHfCjt8H8ld5IZJSntype: PE32 executable (GUI) Intel 80386, for MS Windowstlsh: T1CC54125F5BD46873E58AA0702973F233E77EDAC40394091B1FB90E8E5D39263C96B192sha3_384: 383d6702e2b8f6bf483aed67b14fc77bb148338187bebf9f335ded1219110653d5d9d5a7f7f94b2d8410247e6f0415d4ep_bytes: 81ec8001000053555633db57895c2418timestamp: 2008-10-10 21:49:01

Version Info:

0: [No Data]

Trojan:Win32/CryptInject.APR!MTB also known as:

Lionic Trojan.Win32.Androm.4!c
DrWeb Trojan.Siggen15.43261
MicroWorld-eScan Trojan.GenericKD.38057313
FireEye Trojan.GenericKD.38057313
ALYac Trojan.GenericKD.38057313
Malwarebytes Trojan.Injector
Sangfor Trojan.Win32.Sabsik.FL
CrowdStrike win/malicious_confidence_100% (W)
Alibaba TrojanSpy:Win32/CryptInject.134b8b4b
K7GW Trojan ( 0058a7df1 )
K7AntiVirus Trojan ( 0058a7df1 )
Cyren W32/Injector.APR.gen!Eldorado
Symantec Packed.Generic.606
ESET-NOD32 a variant of Win32/Injector.EQOG
APEX Malicious
Paloalto generic.ml
Kaspersky HEUR:Trojan-Dropper.Win32.Nuldrop.gen
BitDefender Trojan.GenericKD.38057313
ViRobot Trojan.Win32.Z.Injector.302371
Avast Win32:InjectorX-gen [Trj]
Tencent Win32.Trojan-spy.Noon.Fry
Ad-Aware Trojan.GenericKD.38057313
Emsisoft Trojan.GenericKD.38057313 (B)
Comodo TrojWare.Win32.UMal.cvmty@0
Zillya Trojan.Noon.Win32.22031
TrendMicro TROJ_FRS.VSNTKH21
McAfee-GW-Edition RDN/Generic.cf
Sophos Mal/Generic-S
Ikarus Trojan.NSIS.Agent
GData Win32.Trojan.PSE.1DELEOK
Webroot W32.Trojan.Tnega
Avira TR/Injector.mqxhe
Kingsoft Win32.Troj.Undef.(kcloud)
Gridinsoft Trojan.Win32.Downloader.sa
Microsoft Trojan:Win32/CryptInject.APR!MTB
Cynet Malicious (score: 100)
AhnLab-V3 Trojan/Win.Generic.C4774724
McAfee RDN/Generic.cf
MAX malware (ai score=88)
VBA32 TrojanSpy.Noon
Cylance Unsafe
TrendMicro-HouseCall TROJ_FRS.VSNTKH21
Fortinet W32/Kryptik.AQK!tr
AVG Win32:InjectorX-gen [Trj]
Cybereason malicious.eb5e9f
Panda Trj/CI.A

How to remove Trojan:Win32/CryptInject.APR!MTB?

  • 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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