Categories: Backdoor

What is “Backdoor.Win32.Small.aci”?

The Backdoor.Win32.Small.aci 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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Removing PC viruses manually may take hours and may damage your PC in the process. We recommend using GridinSoft Anti-Malware for virus removal. Allows to complete scan and cure your PC during the trial period.
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What Backdoor.Win32.Small.aci virus can do?

  • Authenticode signature is invalid

How to determine Backdoor.Win32.Small.aci?


File Info:

name: 1512049A09DAC6A57F55.mlwpath: /opt/CAPEv2/storage/binaries/c2de0c3476f3fc5c67f5876bdadc7ccc86f186a2a148b41e76ab5c4c36fbdfedcrc32: 62415FECmd5: 1512049a09dac6a57f5590da9a2ac262sha1: 0b2ac2dc6fbf1b1ddd6674109e367d29abed2d38sha256: c2de0c3476f3fc5c67f5876bdadc7ccc86f186a2a148b41e76ab5c4c36fbdfedsha512: 8b0649703ed597a2e12decafecec74c518a380028a167787d8665b4f0fad127d5f4bf1bf97c6b6643da1d93694a8867485c5f2d4a7e45283af3f34ac7e99ee37ssdeep: 48:6jlFICV6ddc9yGga5GaHLMU8/xpU53E/1zGBvishF1PuEBSpBv7xH:KUq6q5WpUl81+i4Tum6dtype: PE32 executable (GUI) Intel 80386, for MS Windowstlsh: T1F1F11AC7ED80DFFBEA8C103858058D1673A89620D2D759617F4CD52E387025775E4AE8sha3_384: fabeb0e18c0c6d27ca5d35cc651b21a732113a8b66f7189b11294e23ee9d687da36bafed9f5c87b22cafbda7b733c54fep_bytes: b87c0d0000b9b0010000bbd714000003timestamp: 2011-10-22 16:18:31

Version Info:

0: [No Data]

Backdoor.Win32.Small.aci also known as:

Bkav W32.AIDetect.malware2
Lionic Heuristic.File.Generic.00×1!p
MicroWorld-eScan Gen:Variant.Downloader.195
FireEye Generic.mg.1512049a09dac6a5
McAfee GenDownloader.um
Cylance Unsafe
Sangfor Suspicious.Win32.Save.a
K7AntiVirus Trojan ( 003301f11 )
Alibaba TrojanDownloader:Win32/Drstwex.1f9e8b75
K7GW Trojan ( 003301f11 )
Cybereason malicious.a09dac
Baidu Win32.Trojan.Kryptik.zn
Cyren W32/SmallTrojan.AA.gen!Eldorado
Symantec ML.Attribute.HighConfidence
Elastic malicious (high confidence)
ESET-NOD32 a variant of Win32/TrojanDownloader.Drstwex.C
APEX Malicious
Cynet Malicious (score: 100)
Kaspersky Backdoor.Win32.Small.aci
BitDefender Gen:Variant.Downloader.195
NANO-Antivirus Trojan.Win32.Kryptik.ehmkm
Avast Win32:Tindow [Trj]
Tencent Trojan.Win32.Small.aac
Ad-Aware Gen:Variant.Downloader.195
Sophos ML/PE-A + Mal/Drwex-A
Comodo TrojWare.Win32.Kryptik.TPM@4gpaj4
VIPRE Gen:Variant.Downloader.195
TrendMicro TROJ_DROPP.SMTB
McAfee-GW-Edition GenDownloader.um
Trapmine malicious.high.ml.score
Emsisoft Gen:Variant.Downloader.195 (B)
SentinelOne Static AI – Malicious PE
GData Gen:Variant.Downloader.195
Avira TR/Crypt.ZPACK.Gen
Antiy-AVL Trojan/Generic.ASBOL.A0A0
Arcabit Trojan.Downloader.195
ViRobot Backdoor.Win32.Small.Gen.A
Microsoft TrojanDownloader:Win32/Drstwex.A
Google Detected
AhnLab-V3 Trojan/Win32.Zbot.R14137
VBA32 SScope.Backdoor.Drstwex
ALYac Gen:Variant.Downloader.195
MAX malware (ai score=98)
Malwarebytes Trojan.MalPack
TrendMicro-HouseCall TROJ_DROPP.SMTB
Rising Trojan.Drstwex!1.67AF (CLASSIC)
Yandex Trojan.GenAsa!cW0DAoJBv7A
Ikarus Trojan-Downloader.Win32.Small
MaxSecure Dropper.Small.aci
Fortinet W32/Kryptik.CDX!tr
BitDefenderTheta AI:Packer.D68200CB1F
AVG Win32:Tindow [Trj]
Panda Generic Malware
CrowdStrike win/malicious_confidence_100% (D)

How to remove Backdoor.Win32.Small.aci?

  • 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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