Categories: Trojan

Should I remove “Trojan:Win32/AutoitShellInj!rfn”?

The Trojan:Win32/AutoitShellInj!rfn 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/AutoitShellInj!rfn virus can do?

  • Behavioural detection: Executable code extraction – unpacking
  • A file was accessed within the Public folder.
  • Sample contains Overlay data
  • Reads data out of its own binary image
  • CAPE extracted potentially suspicious content
  • Drops a binary and executes it
  • The binary likely contains encrypted or compressed data.
  • Authenticode signature is invalid
  • Attempts to repeatedly call a single API many times in order to delay analysis time
  • CAPE detected the NetWire malware family
  • Creates known CypherIT/Frenchy Shellcode mutexes
  • Anomalous binary characteristics
  • Yara rule detections observed from a process memory dump/dropped files/CAPE

How to determine Trojan:Win32/AutoitShellInj!rfn?


File Info:

name: 7F1CB40652FFA681A662.mlwpath: /opt/CAPEv2/storage/binaries/8a7237493f02d49a470e20711d747e52f040afa5b1a5d3a9d3033a36f73bdb76crc32: 06FB6E52md5: 7f1cb40652ffa681a6620c6f9fb11e90sha1: dbc935a5f419fa6bb91dc001561da8ca9cfcf3adsha256: 8a7237493f02d49a470e20711d747e52f040afa5b1a5d3a9d3033a36f73bdb76sha512: b91cf6bc5f59b5aa3501f906deab1d8393f2e336bcf7c78f50321cb53b06acc3ebdf5bff0703c540fb13ce4265851efdd5c69ee24952f60f67a5d35947fecd0essdeep: 98304:K2cPK8Qh71GAnlUxvawmWybJQAlbM0azCWtg04c5bm:lCKhhZGHCwBx2bazjtf5bmtype: PE32 executable (GUI) Intel 80386, for MS Windowstlsh: T10D2612037345C121FFAB55B3979EB10147B86C630233861F63983D7969702B2AF6E7A6sha3_384: 11314bf8b8724f77df823d2d76e06aacd021c8cd49dcd021b322caf2d6069a32a39ee10b461c9671a99982f893790e7dep_bytes: e8c8d00000e97ffeffffcccccccccccctimestamp: 2019-06-03 21:31:01

Version Info:

Translation: 0x0809 0x04b0

Trojan:Win32/AutoitShellInj!rfn also known as:

Bkav W32.AIDetectMalware
Lionic Trojan.Win32.AutoIt.4!c
Elastic malicious (high confidence)
DrWeb Trojan.AutoIt.451
MicroWorld-eScan Trojan.GenericKD.35365056
ClamAV Win.Trojan.Nymeria-7169699-0
FireEye Generic.mg.7f1cb40652ffa681
ALYac Trojan.GenericKD.35365056
Malwarebytes Generic.Malware.AI.DDS
Sangfor Suspicious.Win32.Save.a
K7AntiVirus Trojan ( 700000111 )
Alibaba Trojan:Win32/darker.ali1000147
K7GW Trojan ( 700000111 )
Cybereason malicious.652ffa
BitDefenderTheta AI:Packer.727B0BF917
Cyren W32/AutoIt.NY.gen!Eldorado
Symantec Trojan.Gen.MBT
tehtris Generic.Malware
ESET-NOD32 a variant of Win32/Packed.AutoIt.PC
APEX Malicious
Cynet Malicious (score: 100)
Kaspersky HEUR:Trojan.Script.Generic
BitDefender Trojan.GenericKD.35365056
NANO-Antivirus Trojan.Script.Agent.jpiyei
Avast AutoIt:Injector-JQ [Trj]
Tencent Hacktool.Win32.Kmsoffline.fa
Emsisoft Trojan.GenericKD.35365056 (B)
F-Secure Trojan.TR/AutoitShellInj.romku
VIPRE Trojan.GenericKD.35365056
TrendMicro Trojan.AutoIt.CRYPTINJECT.SMA
McAfee-GW-Edition BehavesLike.Win32.TrojanAitInject.rc
Sophos Mal/AuItInj-A
SentinelOne Static AI – Suspicious PE
GData Trojan.GenericKD.35365056
Avira TR/AutoitShellInj.romku
Antiy-AVL GrayWare/Autoit.Ecrypt.a
Xcitium TrojWare.Win32.Injector.DZAQ@8hfp70
Arcabit Trojan.Generic.D21BA0C0
ZoneAlarm HEUR:HackTool.Win32.KMSOffline.gen
Microsoft Trojan:Win32/AutoitShellInj!rfn
Google Detected
AhnLab-V3 Win-Trojan/AutoInj.Exp
Acronis suspicious
McAfee Artemis!7F1CB40652FF
MAX malware (ai score=81)
VBA32 Trojan.NetWire
Cylance unsafe
Panda Trj/Genetic.gen
TrendMicro-HouseCall Trojan.AutoIt.CRYPTINJECT.SMA
Ikarus Trojan-Spy.AgentTesla
MaxSecure Trojan.Malware.121218.susgen
Fortinet AutoIt/Injector.DZA!tr
AVG AutoIt:Injector-JQ [Trj]
DeepInstinct MALICIOUS
CrowdStrike win/malicious_confidence_100% (W)

How to remove Trojan:Win32/AutoitShellInj!rfn?

  • 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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