Malware

What is “Downloader.18”?

Malware Removal

The Downloader.18 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.18 virus can do?

  • SetUnhandledExceptionFilter detected (possible anti-debug)
  • Dynamic (imported) function loading detected
  • Reads data out of its own binary image
  • Unconventionial binary language: Chinese (Simplified)
  • Unconventionial language used in binary resources: Chinese (Simplified)
  • Authenticode signature is invalid
  • Installs itself for autorun at Windows startup
  • Anomalous binary characteristics

How to determine Downloader.18?


File Info:

name: D452D2836042158FFECF.mlw
path: /opt/CAPEv2/storage/binaries/794cb00f9541c97eb67e7c66c42e641c3363b02fe117c5a3e02223898facd1a9
crc32: 304572E7
md5: d452d2836042158ffecf46749c21801f
sha1: 06f4cb1422a4860a7d181e053fce7bdad245e6e9
sha256: 794cb00f9541c97eb67e7c66c42e641c3363b02fe117c5a3e02223898facd1a9
sha512: 01ef59d612a0df6acb140c5dac498eab0845d9c0f81182db5828d7cca149607503de6f2335ff8ad199c6c556e71af1f6d535703c980721d5f59e0f7e20c1685f
ssdeep: 3072:1aM942HFzMm3ysn7mM3imRtNH+x76rBPxJUxSMtn3t:1aMSQlhysn7mQRw76rZe9
type: PE32 executable (GUI) Intel 80386, for MS Windows
tlsh: T15B149E11F4A8C472D06195346C53C7349438B4B5AFB3AD3335CC9B1E9AE822EED2BB65
sha3_384: 11dd950b0d78bd55f10775fdbc66a81591312544af5be76d54d762d8487a18349ce2ba6afc54662d3e19b1b8ec88a3e6
ep_bytes: 558bec515753bf00104000b930200100
timestamp: 2009-01-19 09:34:39

Version Info:

CompanyName: Microsoft Corporation
FileDescription: Update Package
FileVersion: 1, 0, 0, 689
InternalName: SFXCAB.EXE
LegalCopyright: ? Microsoft Corporation. All rights reserved.
OriginalFilename: SFXCAB.EXE
ProductName: Windows XP Family
ProductVersion: 5, 5, 33, 689
Translation: 0x0804 0x04b0

Downloader.18 also known as:

BkavW32.AIDetect.malware1
DrWebBackDoor.Siggen.48315
MicroWorld-eScanGen:Variant.Downloader.18
FireEyeGeneric.mg.d452d2836042158f
McAfeeGenericRXHM-HT!D452D2836042
CylanceUnsafe
SangforTrojan.Win32.Save.a
K7AntiVirusRiskware ( 0015e4f11 )
K7GWRiskware ( 0015e4f11 )
Cybereasonmalicious.360421
CyrenW32/Agent.HA.gen!Eldorado
Elasticmalicious (high confidence)
ESET-NOD32a variant of Win32/Agent.OHU
KasperskyHEUR:Worm.Win32.Generic
BitDefenderGen:Variant.Downloader.18
NANO-AntivirusTrojan.Win32.TrjGen.cvndsy
AvastWin32:AutoRun-ARB [Wrm]
TencentMalware.Win32.Gencirc.10b8f3b4
Ad-AwareGen:Variant.Downloader.18
EmsisoftGen:Variant.Downloader.18 (B)
ComodoWorm.Win32.Autorun.1438970@1n9lsa
McAfee-GW-EditionBehavesLike.Win32.Dropper.ct
SophosML/PE-A + Mal/EncPk-ZL
SentinelOneStatic AI – Malicious PE
GDataGen:Variant.Downloader.18
JiangminAdware/Downloader.dp
WebrootW32.Dynamer.Gen
AviraWORM/Autorun.143897
MAXmalware (ai score=85)
ArcabitTrojan.Downloader.18
ZoneAlarmHEUR:Worm.Win32.Generic
MicrosoftPWS:Win32/Zbot!ml
CynetMalicious (score: 100)
Acronissuspicious
VBA32BScope.Trojan.Dorv
ALYacGen:Variant.Downloader.18
APEXMalicious
RisingPacker.Win32.Agent.bs (CLASSIC)
YandexTrojan.GenAsa!ohRIJNlgyGk
IkarusTrojan-Downloader.Win32.Pawned
FortinetW32/Agent.IUA!tr.bdr
AVGWin32:AutoRun-ARB [Wrm]
PandaTrj/CI.A
CrowdStrikewin/malicious_confidence_100% (W)

How to remove Downloader.18?

Downloader.18 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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