Malware

Downloader.Win32.Duba removal tips

Malware Removal

The Downloader.Win32.Duba 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.

GridinSoft Anti-Malware

Gridinsoft Anti-Malware

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 Downloader.Win32.Duba virus can do?

  • Sample contains Overlay data
  • Presents an Authenticode digital signature
  • Unconventionial language used in binary resources: Chinese (Simplified)
  • The binary likely contains encrypted or compressed data.
  • CAPE detected the shellcode get eip malware family
  • Detects Bochs through the presence of a registry key
  • Binary file triggered YARA rule
  • Enumerates physical drives
  • Attempted to write directly to a physical drive
  • Accessed credential storage registry keys
  • Yara detections observed in process dumps, payloads or dropped files

How to determine Downloader.Win32.Duba?


File Info:

name: 1C090BC3861600B4AEEF.mlw
path: /opt/CAPEv2/storage/binaries/4c541ce9e6df5f58de11552ccae2278ef4268dd879ebc95aa1146d3753624b66
crc32: BEEC1A45
md5: 1c090bc3861600b4aeeff1ca7b94c830
sha1: 9d485ef67b1b9b6c12b3c33ee71cae79452b6ff1
sha256: 4c541ce9e6df5f58de11552ccae2278ef4268dd879ebc95aa1146d3753624b66
sha512: af2d7206911495c8d1b5c3118f46eb00eea5a1830d677095613f03a0ebbd32abb14383fd1d8bfbd7946906b9b6322f6d94098f2cc00c446808fc5653dd4fbb11
ssdeep: 49152:i6XlQuW2nqGOaPS/EQD216k4wsSTyiUMBro:i6XlQunnqGOaPSs1FtsSTyiUMBro
type: PE32 executable (GUI) Intel 80386, for MS Windows
tlsh: T1A785E01337E0D471C56349326EA6DF79A2FAF6924A358D4333CC0A4E6F748519E3B21A
sha3_384: 03fca3cd8321838439d937ace5307aad01221242dc64946ab748c968455155a9d9f51d61444edce626c4adc186aded55
ep_bytes: e878ed0000e917feffff558bec83ec20
timestamp: 1970-01-20 03:39:44

Version Info:

CompanyName: Kingsoft Corporation
FileDescription: Kingsoft Security - 安装程序
FileVersion: 2021,04,02,614
InternalName: KInstallTool
LegalCopyright: Copyright (C) 1998-2021 Kingsoft Corporation
OriginalFilename:
ProductName: Kingsoft Internet Security
ProductVersion: 9,3,0,614
Translation: 0x0000 0x04b0

Downloader.Win32.Duba also known as:

DrWebTrojan.Siggen13.9970
McAfeePUP-IBB
Cylanceunsafe
SangforTrojan.Win32.Save.a
K7AntiVirusAdware ( 005646f71 )
K7GWAdware ( 005646f71 )
Elasticmalicious (high confidence)
ESET-NOD32a variant of Win32/KingSoft.L potentially unwanted
CynetMalicious (score: 100)
Kasperskynot-a-virus:HEUR:Downloader.Win32.Duba.gen
NANO-AntivirusTrojan.Win32.Duba.jnzxvr
SUPERAntiSpywarePUP.KingSoft/Variant
RisingPUF.KSSoftBundler!1.DD76 (CLASSIC)
ZillyaTrojan.Dnoper.Win32.1581
JiangminTrojan.MSIL.ykbt
Antiy-AVLGrayWare/Win32.KingSoft
ZoneAlarmnot-a-virus:HEUR:Downloader.Win32.Duba.gen
VBA32BScope.Adware.Presenoker
PandaPUP/Generic
TrendMicro-HouseCallTROJ_GEN.R002H07C524
MaxSecureDownloader.W32.Duba.gen_245044
FortinetRiskware/KingSoft
DeepInstinctMALICIOUS
CrowdStrikewin/grayware_confidence_100% (W)

How to remove Downloader.Win32.Duba?

Downloader.Win32.Duba 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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