Trojan

TrojanDownloader:Win32/Upatre.AF malicious file

Malware Removal

The TrojanDownloader:Win32/Upatre.AF 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 TrojanDownloader:Win32/Upatre.AF virus can do?

  • Yara rule detections observed from a process memory dump/dropped files/CAPE
  • Creates RWX memory
  • Anomalous file deletion behavior detected (10+)
  • Dynamic (imported) function loading detected
  • Reads data out of its own binary image
  • Drops a binary and executes it
  • Unconventionial language used in binary resources: Greek
  • Authenticode signature is invalid
  • Anomalous binary characteristics

How to determine TrojanDownloader:Win32/Upatre.AF?



File Info:

name: 2B8D87F81B71FA394A6F.mlw
path: /opt/CAPEv2/storage/binaries/b28ed8aa458f8c98d4cd164ae3384c7bb49e0a185a17e65e73dff252c2192d03
crc32: 8106AEB7
md5: 2b8d87f81b71fa394a6ff2c381339d74
sha1: 4955a80bc7b21ca4ed88310e3cb096e6c37e6e29
sha256: b28ed8aa458f8c98d4cd164ae3384c7bb49e0a185a17e65e73dff252c2192d03
sha512: b0184e4cdfc11c6ac0851813d6a7ccac171f0b3f58edfa7139539917c1ca7cc5122cb9efc6f57f94b9e515d41e832c93a254b0787ff8266a709f9085a0eafd2d
ssdeep: 192:cWxm/VXDmlzxCOkumxGyw3hv87N4t6bvJfcf3VIQgggggggggggggggbg66aKe3L:cNValzxpkDmRvXtJfG56n0OlG
type: PE32 executable (GUI) Intel 80386, for MS Windows
tlsh: T1A1B25EE941CCD566FE66053C9A7661838A79BDA3FF1905CF9D88310E0C337C6A53298B
sha3_384: 388911c553e3cf09a843727b2a4bf7bea5c26f1695716d004f9c25c11134af832e6b2c61b0a84e164a576cb65d9ff8f5
ep_bytes: 558bec83ec085653b880294000e8d5fd
timestamp: 2011-08-20 15:36:33


Version Info:

CompanyName: Sunfull
FileDescription: Sunfull Ind.
FileVersion: Version 1.3
InternalName: Sunfull
LegalCopyright: Copyright by Sunfull Ind.
OriginalFilename: Sunfull
Translation: 0x0408 0x04b2

TrojanDownloader:Win32/Upatre.AF also known as:

BkavW32.FamVT.GeND.Trojan
Elasticmalicious (high confidence)
DrWebTrojan.Upatre.100
MicroWorld-eScanTrojan.GenericKD.1934868
FireEyeGeneric.mg.2b8d87f81b71fa39
CAT-QuickHealTrojanDwnldr.Upatre.AA4
ALYacTrojan.GenericKD.1934868
CylanceUnsafe
ZillyaDownloader.Upatre.Win32.78
K7AntiVirusTrojan ( 004af9061 )
K7GWTrojan ( 004af9061 )
Cybereasonmalicious.81b71f
BitDefenderThetaGen:NN.ZexaF.34294.bq1@a49p!3hO
CyrenW32/Trojan.JLIS-2341
SymantecDownloader.Upatre
ESET-NOD32Win32/TrojanDownloader.Waski.A
TrendMicro-HouseCallTROJ_UPATRE.SM37
ClamAVWin.Trojan.Generickd-1143
KasperskyTrojan.Win32.Agent.idxk
BitDefenderTrojan.GenericKD.1934868
NANO-AntivirusTrojan.Win32.Upatre.dgyhwd
SUPERAntiSpywareTrojan.Agent/Gen-Downloader
AvastWin32:Agent-AUKO [Trj]
TencentTrojan.Win32.BitCoinMiner.la
Ad-AwareTrojan.GenericKD.1934868
SophosML/PE-A + Troj/Mdrop-GHU
ComodoTrojWare.Win32.Kryptik.CNYX@5gkfaq
BaiduWin32.Trojan-Downloader.Waski.a
VIPRETrojan.Win32.Kryptik.cnxo (v)
TrendMicroTROJ_UPATRE.SM37
McAfee-GW-EditionBehavesLike.Win32.Downloader.mm
EmsisoftTrojan.GenericKD.1934868 (B)
SentinelOneStatic AI – Malicious PE
GDataTrojan.GenericKD.1934868
JiangminTrojanDownloader.Upatre.gd
AviraTR/Visucius.82
MAXmalware (ai score=83)
Antiy-AVLTrojan/Generic.ASMalwS.C7CD07
MicrosoftTrojanDownloader:Win32/Upatre.AF
CynetMalicious (score: 100)
AhnLab-V3Trojan/Win32.Agent.R121876
Acronissuspicious
McAfeeUpatre-FAAA!2B8D87F81B71
VBA32TrojanDownloader.Upatre
MalwarebytesTrojan.Upatre
APEXMalicious
RisingTrojan.Generic@ML.98 (RDML:so/j4dS9r8omIyLN5w71IA)
IkarusTrojan-Downloader.Win32.Upatre
FortinetW32/Upatre.BTC!tr
AVGWin32:Agent-AUKO [Trj]
PandaTrj/Genetic.gen
CrowdStrikewin/malicious_confidence_100% (D)
MaxSecureTrojan.Upatre.Gen

How to remove TrojanDownloader:Win32/Upatre.AF?

TrojanDownloader:Win32/Upatre.AF 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.

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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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