Trojan

Trojan.Autoitinject malicious file

Malware Removal

The Trojan.Autoitinject 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.Autoitinject virus can do?

  • SetUnhandledExceptionFilter detected (possible anti-debug)
  • Behavioural detection: Executable code extraction – unpacking
  • Yara rule detections observed from a process memory dump/dropped files/CAPE
  • Presents an Authenticode digital signature
  • Creates RWX memory
  • Guard pages use detected – possible anti-debugging.
  • Dynamic (imported) function loading detected
  • Enumerates running processes
  • Reads data out of its own binary image
  • CAPE extracted potentially suspicious content
  • The binary contains an unknown PE section name indicative of packing
  • The binary likely contains encrypted or compressed data.
  • The executable is compressed using UPX
  • Authenticode signature is invalid
  • Uses Windows utilities for basic functionality
  • Behavioural detection: Injection (Process Hollowing)
  • Executed a process and injected code into it, probably while unpacking
  • Sniffs keystrokes
  • Behavioural detection: Injection (inter-process)
  • Installs itself for autorun at Windows startup
  • Attempts to bypass application whitelisting by executing .NET utility in a suspended state, potentially for injection
  • CAPE detected the njRat malware family
  • Creates known Njrat/Bladabindi RAT registry keys

How to determine Trojan.Autoitinject?


File Info:

name: D36C813AD9F7A3D462B9.mlw
path: /opt/CAPEv2/storage/binaries/4b16ec8924a60ab25796ff3ffd2f92838b9103ed87f96a69423f3a9d4e0797ee
crc32: AEC5CE92
md5: d36c813ad9f7a3d462b9f485ec63030f
sha1: b0f4515340077a752742004967ad686fa4e72d18
sha256: 4b16ec8924a60ab25796ff3ffd2f92838b9103ed87f96a69423f3a9d4e0797ee
sha512: b688d6d6d5a919ca65642acdd8f99ff2461f3cd38e5a572aa9fd7a33f399a050f829af1b48a4cc043e9165af4f137fcaa2be9702bcb35eddadfec31301266e23
ssdeep: 12288:vdnDiTpURF4fd8okh2J/pcYFtejyWRYhiLLQ026RzLTM4oSLfm:os88okwJ/pF4fwwLwQm
type: PE32 executable (GUI) Intel 80386, for MS Windows
tlsh: T1A7D40192A5070C82FE6FB436565B5A23E190D68A3326CCFBA611D1319A077D42F367CF
sha3_384: 8ed1d3deba8d0c52f3bfcd1ba8b31491440c3ce2dac48b6d9c13ed14d5e732649fa4def7da924b92083953aa69aca5af
ep_bytes: 60be00b049008dbe0060f6ff5789e58d
timestamp: 2019-05-19 10:27:31

Version Info:

FileDescription: efsui
OriginalFilename: bnmanager
CompanyName: blb_ps
FileVersion: 391.854.211.29
LegalCopyright: xcopy
ProductName: cabinet
ProductVersion: 401.919.443.231
Translation: 0x0409 0x04b0

Trojan.Autoitinject also known as:

BkavW32.AIDetect.malware2
LionicTrojan.Script.Generic.4!c
Elasticmalicious (high confidence)
MicroWorld-eScanGen:Trojan.Heur.AutoIT.16
FireEyeGeneric.mg.d36c813ad9f7a3d4
CAT-QuickHealTrojan.Autoitinject
ALYacGen:Trojan.Heur.AutoIT.16
CylanceUnsafe
ZillyaTrojan.Injector.Win32.966287
SangforTrojan.Script.Generic.ky
K7AntiVirusTrojan ( 0054e6e51 )
K7GWTrojan ( 0054e6e51 )
Cybereasonmalicious.ad9f7a
BitDefenderThetaAI:Packer.A27BDA8717
SymantecPacked.Generic.548
ESET-NOD32a variant of Win32/Injector.Autoit.DYN
TrendMicro-HouseCallTROJ_GEN.R002C0DLR21
Paloaltogeneric.ml
KasperskyHEUR:Trojan.Script.Generic
BitDefenderGen:Trojan.Heur.AutoIT.16
AvastAutoIt:Injector-JF [Trj]
TencentMalware.Win32.Gencirc.10cf8f12
Ad-AwareGen:Trojan.Heur.AutoIT.16
EmsisoftGen:Trojan.Heur.AutoIT.16 (B)
DrWebTrojan.Packed2.41722
TrendMicroTROJ_GEN.R002C0DLR21
McAfee-GW-EditionBehavesLike.Win32.TrojanAitInject.hc
SophosMal/Generic-R + Mal/AuItInj-A
IkarusTrojan-Spy.HawkEye
GDataGen:Trojan.Heur.AutoIT.16
JiangminTrojan.Script.aswy
MaxSecureTrojan.Malware.300983.susgen
AviraTR/Crypt.XPACK.Gen
MAXmalware (ai score=83)
GridinsoftRansom.Win32.Bladabindi.sa
ViRobotTrojan.Win32.Z.Injector.601416.W
APEXMalicious
MicrosoftTrojan:Win32/AutoitInject.BH!MTB
CynetMalicious (score: 100)
AhnLab-V3Trojan/Win.Stimilina.R422572
McAfeeArtemis!D36C813AD9F7
TACHYONTrojan/W32.Agent.1115976
VBA32Trojan-Downloader.Autoit.gen
MalwarebytesBackdoor.Bladabindi
RisingBackdoor.Bladabindi!8.B1F (TFE:dGZlOgGZOzG11hZw0w)
YandexTrojan.Injector!pxaePbwhf40
SentinelOneStatic AI – Malicious PE
FortinetAutoIt/Injector.DYL!tr
AVGAutoIt:Injector-JF [Trj]
PandaTrj/Genetic.gen
CrowdStrikewin/malicious_confidence_100% (W)

How to remove Trojan.Autoitinject?

Trojan.Autoitinject removal tool
  • 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.

About the author

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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