Categories: Trojan

UDS:Trojan-Downloader.Win32.Small removal guide

The UDS:Trojan-Downloader.Win32.Small 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 UDS:Trojan-Downloader.Win32.Small virus can do?

  • Reads data out of its own binary image
  • A process created a hidden window
  • Drops a binary and executes it
  • Network activity detected but not expressed in API logs
  • Creates a slightly modified copy of itself
  • Anomalous binary characteristics

How to determine UDS:Trojan-Downloader.Win32.Small?


File Info:

crc32: 12711EB2md5: ab7a0f6c00906727c8e886ec5e9e0ed0name: AB7A0F6C00906727C8E886EC5E9E0ED0.mlwsha1: 8ff64da55249e0397e554412f1cec6c7b921035bsha256: 15be75af9e3e4f2b0e5e0e5046b8b1b21f52b17603980b079447a03b5ff9c161sha512: 0e0599a958b21d1d2e0a645371dc8fa579d912bd4c8e683feac31320cad53f9474056e92d6a2a2122e400ae549f10b4daffcf216107385c3a741f706350d39cassdeep: 384:+ITiMVAhzlbNqzW1PRD8+6Cf/ZYQskkRmKD+5ZO:fTBuNqzWbjf/ZF4mKyOtype: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:

0: [No Data]

UDS:Trojan-Downloader.Win32.Small also known as:

K7AntiVirus Trojan-Downloader ( 004546b61 )
Elastic malicious (high confidence)
DrWeb Trojan.DownLoader10.8528
ClamAV Win.Malware.Upatre-6722907-0
CAT-QuickHeal Trojan.Mauvaise.SL1
ALYac Trojan.Agent.CJOO
Cylance Unsafe
Zillya Downloader.Tiny.Win32.4156
Sangfor Trojan.Win32.Save.a
CrowdStrike win/malicious_confidence_100% (W)
Alibaba Malware:Win32/km_28d88.None
K7GW Trojan-Downloader ( 004546b61 )
Cybereason malicious.c00906
Cyren W32/Downloader.FKQY-3693
Symantec ML.Attribute.HighConfidence
ESET-NOD32 Win32/TrojanDownloader.Tiny.NIV
APEX Malicious
Avast Win32:Downloader-WID [Trj]
Cynet Malicious (score: 100)
Kaspersky UDS:Trojan-Downloader.Win32.Small.gen
BitDefender Trojan.Agent.CJOO
NANO-Antivirus Trojan.Win32.Dwn.dikqpr
ViRobot Trojan.Win32.Agent.35880
MicroWorld-eScan Trojan.Agent.CJOO
Tencent Malware.Win32.Gencirc.10ce3d39
Ad-Aware Trojan.Agent.CJOO
Sophos ML/PE-A + Troj/Upatre-XO
Comodo TrojWare.Win32.TrojanDownloader.Upatre.ACC@56yhj8
BitDefenderTheta Gen:NN.ZexaF.34236.dmZ@a81Dcfi
VIPRE Trojan-Downloader.Win32.Upatre.a (v)
TrendMicro TROJ_UPATRE.SMAZ
McAfee-GW-Edition BehavesLike.Win32.Upatre.kz
FireEye Generic.mg.ab7a0f6c00906727
Emsisoft Trojan.Agent.CJOO (B)
SentinelOne Static AI – Malicious PE
Jiangmin TrojanDownloader.Generic.ampd
Webroot W32.Malware.Gen
Avira TR/ATRAPS.Gen
Antiy-AVL Trojan/Generic.ASMalwS.CA65BA
Microsoft Trojan:Win32/Zbot.DC!MTB
SUPERAntiSpyware Trojan.Agent/Gen-Downloader
GData Win32.Trojan.PSE.LEV8LL
AhnLab-V3 Trojan/Win32.Zbot.R83549
Acronis suspicious
McAfee Upatre-FAAI!AB7A0F6C0090
MAX malware (ai score=81)
VBA32 Trojan.Downloader
Malwarebytes Trojan.Downloader
Panda Trj/Genetic.gen
TrendMicro-HouseCall TROJ_UPATRE.SMAZ
Rising Downloader.Waski!1.A489 (CLASSIC)
Yandex Trojan.DL.Tiny!nleUX1B/qxo
Ikarus Trojan-Downloader.Win32.Tiny
MaxSecure Downloader.Upatre.a
Fortinet W32/Tiny.NIV!tr
AVG Win32:Downloader-WID [Trj]
Paloalto generic.ml

How to remove UDS:Trojan-Downloader.Win32.Small?

  • 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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