Trojan

Win32/TrojanDownloader.Waski.F (file analysis)

Malware Removal

The Win32/TrojanDownloader.Waski.F 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 Win32/TrojanDownloader.Waski.F virus can do?

  • Injection (inter-process)
  • Injection (Process Hollowing)
  • Compression (or decompression)
  • Creates RWX memory
  • Reads data out of its own binary image
  • Drops a binary and executes it
  • Performs some HTTP requests
  • Unconventionial language used in binary resources: Russian
  • Looks up the external IP address
  • Executed a process and injected code into it, probably while unpacking
  • Deletes its original binary from disk
  • Attempts to modify proxy settings
  • Creates a copy of itself
  • Anomalous binary characteristics

Related domains:

z.whorecord.xyz
checkip.dyndns.org
a.tomx.xyz

How to determine Win32/TrojanDownloader.Waski.F?


File Info:

crc32: 40B0E141
md5: 7a1f26753d6e70076f15149feffbe233
name: 1b893ca3b782679b1e5d1afecb75be7bcc145b5da21a30f6c18dbddc9c6de4e7
sha1: 4cfd5c3b5bdb2105da4172312c1cefe073121245
sha256: 1b893ca3b782679b1e5d1afecb75be7bcc145b5da21a30f6c18dbddc9c6de4e7
sha512: 8232cf24265c5a061681d38acd06e0b042cc91b2d311f8b11634c3295f525a26112c0c18169a5aa168072160c129d56caa017784f99fd758b0a9cc1e794b89b3
ssdeep: 384:yhLib+V4emJsAY8mz792E1TLDcTTzYaLbVlx7YTdQTjsusBFjvzpIwWj1RF:LyVTUPmf9puTTzbgiAuZJ
type: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:

0: [No Data]

Win32/TrojanDownloader.Waski.F also known as:

BkavW32.HysertagLTAB.Trojan
MicroWorld-eScanTrojan.GenericKD.2209191
FireEyeGeneric.mg.7a1f26753d6e7007
CAT-QuickHealTrojanDwnldr.Upatre.A3
Qihoo-360HEUR/QVM20.1.Malware.Gen
McAfeeGeneric.vz
CylanceUnsafe
VIPRETrojan.Win32.Upatre.qu (v)
SangforMalware
K7AntiVirusTrojan-Downloader ( 0049d22b1 )
BitDefenderTrojan.GenericKD.2209191
K7GWTrojan-Downloader ( 0049d22b1 )
CrowdStrikewin/malicious_confidence_60% (W)
TrendMicroTROJ_UPATRE.LJK
BitDefenderThetaAI:Packer.B0F1A8BB1E
F-ProtW32/Backdoor2.HXQH
SymantecMobileInsightAppRisk:Generisk
SymantecDownloader.Upatre
ESET-NOD32Win32/TrojanDownloader.Waski.F
APEXMalicious
Paloaltogeneric.ml
ClamAVDoc.Trojan.Upatre-331
GDataWin32.Trojan.Agent.IRKWEE
KasperskyTrojan-Downloader.Win32.Upatre.vjq
AlibabaTrojanDownloader:Win32/Upatre.85055281
NANO-AntivirusTrojan.Win32.Upatre.efgxos
ViRobotDropper.Agent.28160.P
AegisLabTrojan.Win32.Upatre.4!c
AvastWin32:Injector-COQ [Trj]
RisingTrojan.DL.Win32.Upatre.aty (CLASSIC)
Ad-AwareTrojan.GenericKD.2209191
SophosTroj/Upatre-II
ComodoMalware@#1xd0j5lc0h44h
F-SecureTrojan.TR/Yarwi.A.87
DrWebTrojan.Upatre.140
ZillyaDownloader.Upatre.Win32.19201
Invinceaheuristic
McAfee-GW-EditionBehavesLike.Win32.Downloader.mm
Trapminemalicious.high.ml.score
EmsisoftTrojan.GenericKD.2209191 (B)
SentinelOneDFI – Suspicious PE
CyrenW32/Backdoor.QKYF-9362
JiangminTrojan/Generic.bbpjm
WebrootW32.Trojan.Gen
AviraTR/Yarwi.A.87
Antiy-AVLTrojan[Downloader]/Win32.Upatre
Endgamemalicious (high confidence)
ArcabitTrojan.Generic.D21B5A7
AhnLab-V3Trojan/Win32.Upatre.C746653
ZoneAlarmTrojan-Downloader.Win32.Upatre.vjq
MicrosoftTrojanDownloader:Win32/Upatre
TACHYONTrojan-Downloader/W32.Upatre.28160.E
TotalDefenseWin32/Upatre.BKXBLAB
Acronissuspicious
ALYacTrojan.Downloader.Upatre.gen
MAXmalware (ai score=100)
VBA32Malware-Cryptor.Hlux
MalwarebytesTrojan.Upatre
TrendMicro-HouseCallTROJ_UPATRE.LJK
TencentWin32.Trojan.Fakedoc.Auto
YandexTrojan.DL.Upatre!
IkarusTrojan-Downloader.Win32.Upatre
eGambitUnsafe.AI_Score_94%
FortinetW32/Upatre.VJQ!tr.dldr
AVGWin32:Injector-COQ [Trj]
Cybereasonmalicious.53d6e7
PandaTrj/WLT.A
MaxSecureTrojan.Malware.8153444.susgen

How to remove Win32/TrojanDownloader.Waski.F?

Win32/TrojanDownloader.Waski.F 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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