Categories: Malware

AdWare.Win32.Downer (file analysis)

The AdWare.Win32.Downer 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 AdWare.Win32.Downer virus can do?

  • Presents an Authenticode digital signature
  • Attempts to connect to a dead IP:Port (5 unique times)
  • Performs some HTTP requests
  • Unconventionial binary language: Chinese (Simplified)
  • Unconventionial language used in binary resources: Chinese (Simplified)
  • The binary likely contains encrypted or compressed data.

Related domains:

api.downerapi.com
downloader.downerapi.com
d.onlinedown.net
static.downerapi.com
source.downerapi.com

How to determine AdWare.Win32.Downer?


File Info:

crc32: E912446Dmd5: bb38c19ad834f9d18e1b610ae3a34774name: adobe-indesign-cc2015_19628331.exesha1: 27b511120d2e8ddb99e2d2a7d11de4ae995684bbsha256: 3ef50eb919b3ff65b74cdf1ae2219fc170a2d52153b66eb5933b28eae11c464dsha512: ce568b229eb21c364d3445958dc7f00a90652d25c48c5a6c02dde4ecdad52cc30fb1e9370b8e3a690a71cd61c0a8dd51154e17c34c33ad0a2a0e0b5ea0498da8ssdeep: 24576:7hsR3ziGpGSxkMwNv1Jxiz2/sbsPKKOZxQXvuLFbjBpVnF6dx:76PpLs3yzAsbyKKOZxEvuLFbjbVF6dxtype: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:

LegalCopyright: Copyright (C) 2018InternalName: FastDownloader.exeFileVersion: 3.2.0.8CompanyName: -ProductName: x8f6fx4ef6x4e0bx8f7dx5668ProductVersion: 3.2.0.8FileDescription: x8f6fx4ef6x4e0bx8f7dx5668OriginalFilename: FastDownloader.exeTranslation: 0x0804 0x04b0

AdWare.Win32.Downer also known as:

FireEye Generic.mg.bb38c19ad834f9d1
Cylance Unsafe
VIPRE Trojan.Win32.Generic!BT
Sangfor Malware
K7AntiVirus Riskware ( 00544e421 )
BitDefender Gen:Variant.Razy.558009
TrendMicro PUA.Win32.Downer.AI
Cyren W32/Application.GNRN-7852
TrendMicro-HouseCall PUA.Win32.Downer.AI
GData Gen:Variant.Razy.558009
Kaspersky not-a-virus:HEUR:AdWare.Win32.Downer.gen
Alibaba AdWare:Win32/Downer.44fb162b
NANO-Antivirus Riskware.Win32.Downer.gizgcw
ViRobot Adware.Downer.1122512.A
AegisLab Adware.Win32.Downer.2!c
Tencent Malware.Win32.Gencirc.10b40cd2
Sophos Generic PUA CH (PUA)
Comodo ApplicUnwnt@#tg1jxet1avgs
DrWeb Program.DownLoader.9
Zillya Tool.Downer.Win32.37
Invincea heuristic
McAfee-GW-Edition Artemis!Trojan
Emsisoft Application.Downloader (A)
Webroot W32.Adware.Downer
Endgame malicious (high confidence)
SUPERAntiSpyware PUP.FastDownloader/Variant
ZoneAlarm not-a-virus:HEUR:AdWare.Win32.Downer.gen
Microsoft PUA:Win32/Downer
AhnLab-V3 PUP/Win32.Generic.C3478818
McAfee GenericRXAA-AA!BB38C19AD834
MAX malware (ai score=99)
VBA32 Adware.Downer
Malwarebytes PUP.Optional.FastDownloader
Panda Trj/Agent.PM
ESET-NOD32 a variant of Win32/RiskWare.Downer.A
Rising Adware.Downloader!1.BD64 (CLOUD)
Yandex PUA.Downer!
Ikarus PUA.RiskWare.Downer
eGambit Unsafe.AI_Score_99%
Fortinet Adware/Downer
AVG FileRepMalware [PUP]
Paloalto generic.ml
MaxSecure Trojan.Malware.74558628.susgen

How to remove AdWare.Win32.Downer?

  • 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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