Categories: Trojan

How to remove “UDS:Trojan-Downloader.JS.SLoad”?

The UDS:Trojan-Downloader.JS.SLoad 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 UDS:Trojan-Downloader.JS.SLoad virus can do?

  • Uses Windows utilities for basic functionality
  • Reads data out of its own binary image
  • A HTTP/S link was seen in a script or command line
  • The binary contains an unknown PE section name indicative of packing
  • The binary likely contains encrypted or compressed data.
  • Authenticode signature is invalid
  • A scripting utility was executed
  • A ping command was executed with the -n argument possibly to delay analysis
  • Uses Windows utilities to create a scheduled task
  • Deletes executed files from disk
  • Touches a file containing cookies, possibly for information gathering

How to determine UDS:Trojan-Downloader.JS.SLoad?


File Info:

name: F21356734531DEFBA83B.mlwpath: /opt/CAPEv2/storage/binaries/93ab90ab4c27e2ca5087ae15db262d4dceb3ebd8912237cc3916dac178dc1f93crc32: 8B4CF39Dmd5: f21356734531defba83b1bf38e443efbsha1: 9958c7555e3f4d5f172fe714aacff54023a8ffa6sha256: 93ab90ab4c27e2ca5087ae15db262d4dceb3ebd8912237cc3916dac178dc1f93sha512: 94b44f327bc49b3981da2ada80f3f59ac244a3c5b8826cca0e1df32ffc5efe8a09d20b1065faf64dbad9faf90dae9587453d3ba1b907a97dc769973fc17e6f8cssdeep: 6144:G5aWbksiNTBFeHN/iMrW2cx7jAieilyGQjW2wqErDCUTLCnoJp7Hc1WK/IZ:G5atNTbMiMrMjT9yGg5wq+DCUTL8oJpPtype: PE32 executable (console) Intel 80386, for MS Windowstlsh: T135740145F3E181F2E6E2063041E6B17F573AAA289B24C9E7C78C3D5329525E06A393F5sha3_384: a679f7273ebf89431777fab18d31543accbd378527a0e4ee4452d4b38dd4cb0aaefddc32db5eb17e051a50836f1bc72bep_bytes: 68ac00000068000000006868804100e8timestamp: 2018-02-01 20:18:05

Version Info:

FileVersion: 1.0.8.05ProductVersion: 1.0.8.05ProductName: 智能更新系统OriginalFilename: 智能更新系统InternalName: 智能更新系统FileDescription: 智能更新系统LegalTrademarks: 智能更新系统Translation: 0x0000 0x04e4

UDS:Trojan-Downloader.JS.SLoad also known as:

Bkav W32.AIDetectMalware
Lionic Trojan.Win32.SLoad.a!c
Elastic malicious (high confidence)
MicroWorld-eScan Trojan.GenericKD.72582514
CAT-QuickHeal Trojandownloader.Sload
Skyhigh BehavesLike.Win32.Generic.fc
Malwarebytes Generic.Malware/Suspicious
VIPRE Trojan.GenericKD.72582514
Sangfor Trojan.Win32.Save.a
Alibaba Trojan:BAT/Fuery.5ada1f7c
Arcabit Trojan.Generic.D4538572
Symantec ML.Attribute.HighConfidence
Paloalto generic.ml
Kaspersky UDS:Trojan-Downloader.JS.SLoad
BitDefender Trojan.GenericKD.72582514
Avast FileRepMalware [Trj]
Emsisoft Trojan.GenericKD.72582514 (B)
F-Secure Trojan.TR/AVI.Agent.uzndt
Trapmine malicious.high.ml.score
FireEye Generic.mg.f21356734531defb
Sophos Generic Reputation PUA (PUA)
SentinelOne Static AI – Suspicious PE
Google Detected
Avira TR/AVI.Agent.uzndt
Varist W32/Scar.AY.gen!Eldorado
Kingsoft malware.kb.a.960
Microsoft Program:Win32/Wacapew.C!ml
ZoneAlarm UDS:Trojan-Downloader.JS.SLoad
GData Trojan.GenericKD.72582514
Cynet Malicious (score: 100)
AhnLab-V3 Malware/Win32.Generic.C3752540
BitDefenderTheta Gen:NN.ZexaF.36804.uu0@aGMJRdi
ALYac Trojan.GenericKD.72582514
MAX malware (ai score=84)
Cylance unsafe
Ikarus Trojan.AVI.Agent
MaxSecure Trojan.Malware.8990286.susgen
Fortinet W32/PossibleThreat
AVG FileRepMalware [Trj]
DeepInstinct MALICIOUS
alibabacloud Trojan.Win.UnkAgent

How to remove UDS:Trojan-Downloader.JS.SLoad?

  • 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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