Categories: Trojan

Trojan.Injector.A4 removal

The Trojan.Injector.A4 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.Injector.A4 virus can do?

  • Authenticode signature is invalid
  • Anomalous .NET characteristics

How to determine Trojan.Injector.A4?


File Info:

name: 5D1389EDA0DBD4F2A799.mlwpath: /opt/CAPEv2/storage/binaries/e1477547c7186435cf84a728ba447d3c259837a98f383cf73b510074bf16e573crc32: 694980D5md5: 5d1389eda0dbd4f2a79957fc60381f47sha1: 0bac5737b1f036568be8b88f1d58c47a9a4bc541sha256: e1477547c7186435cf84a728ba447d3c259837a98f383cf73b510074bf16e573sha512: 1fee32d40205e44ce86c311a1a4d73411ff27853402ee5b3919f19cfd59e66081bf18a5f19b953e0627fa0ca0e98ca8ca15d017185e134fdd804b067bb754502ssdeep: 1536:Srg1faiWfTXSu6Ozifu1dUaW4BOq3mlGDEtskrz1t7MatYf2RQIt3Vz:SHfTXSuwunUaW0ORGDEV1KYYixtype: PE32 executable (console) Intel 80386, for MS Windowstlsh: T17BC334342CE7401EF06379B79FC8B89FD96EF223290B7097308623474A12AE1DB5956Dsha3_384: 1317ddb8667ec05788f34d5324f5d79f79e2e274e52a15f2cc480d8f9bb8537a6974234f427bd74f58d28d60fa4e845dep_bytes: ff250020400000000000000000000000timestamp: 2013-08-12 20:46:41

Version Info:

Translation: 0x0000 0x04b0FileDescription: FileVersion: 0.0.0.0InternalName: 1.exeLegalCopyright: OriginalFilename: 1.exeProductVersion: 0.0.0.0Assembly Version: 0.0.0.0

Trojan.Injector.A4 also known as:

Bkav W32.AIDetectNet.01
DrWeb Trojan.PWS.Spy.11887
MicroWorld-eScan Gen:Heur.MSIL.Krypt.12
FireEye Generic.mg.5d1389eda0dbd4f2
CAT-QuickHeal Trojan.Injector.A4
McAfee BackDoor-FBEQ!5D1389EDA0DB
Cylance Unsafe
Sangfor Trojan.Win32.Save.a
K7AntiVirus Trojan ( 0052a8a51 )
BitDefender Gen:Heur.MSIL.Krypt.12
K7GW Trojan ( 0052a8a51 )
CrowdStrike win/malicious_confidence_100% (W)
Arcabit Trojan.MSIL.Krypt.12
BitDefenderTheta AI:Packer.C9EEA5871F
Cyren W32/MSIL_Kryptik.COX.gen!Eldorado
Symantec ML.Attribute.HighConfidence
Elastic malicious (high confidence)
ESET-NOD32 a variant of MSIL/TrojanDropper.Agent.JK
TrendMicro-HouseCall TROJ_HPMSILDROP.SM
Paloalto generic.ml
Kaspersky HEUR:Trojan.Win32.Generic
NANO-Antivirus Trojan.Win32.Krypt.dhxcfn
Rising Trojan.Generic/MSIL@AI.100 (RDM.MSIL:wKKecgE/L6UD+fuZCQELaA)
Ad-Aware Gen:Heur.MSIL.Krypt.12
Emsisoft Gen:Heur.MSIL.Krypt.12 (B)
Comodo TrojWare.MSIL.TrojanDropper.Small.H@4pk30c
F-Secure Trojan.TR/Dropper.Gen
Baidu MSIL.Trojan-Dropper.Agent.b
VIPRE Gen:Heur.MSIL.Krypt.12
TrendMicro TROJ_HPMSILDROP.SM
McAfee-GW-Edition BehavesLike.Win32.Generic.cz
Trapmine malicious.high.ml.score
Sophos ML/PE-A + Troj/DotNet-M
Ikarus Gen.Variant.MSILKrypt
Jiangmin TrojanDropper.Agent.axob
Google Detected
Avira TR/Dropper.Gen
Antiy-AVL Trojan/Win32.AGeneric
Kingsoft Win32.Troj.Undef.(kcloud)
Microsoft Backdoor:MSIL/Bladabindi.AA
ZoneAlarm HEUR:Trojan.Win32.Generic
GData Gen:Heur.MSIL.Krypt.12
Cynet Malicious (score: 99)
AhnLab-V3 Trojan/Win32.RL_Generic.C4313120
Acronis suspicious
ALYac Gen:Heur.MSIL.Krypt.12
MAX malware (ai score=85)
Panda Generic Malware
APEX Malicious
Tencent Win32.Trojan.Generic.Nsmw
Yandex Trojan.Agent!3zT3J5SjiAQ
SentinelOne Static AI – Malicious PE
MaxSecure Trojan.Malware.300983.susgen
Fortinet MSIL/Dropper.WT!tr
AVG MSIL:Crypt-BK [Drp]
Cybereason malicious.da0dbd
Avast MSIL:Crypt-BK [Drp]

How to remove Trojan.Injector.A4?

  • 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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