Categories: Trojan

How to remove “TrojanDownloader:Win32/Upatre!pz”?

The TrojanDownloader:Win32/Upatre!pz 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!pz virus can do?

  • Sample contains Overlay data
  • Performs HTTP requests potentially not found in PCAP.
  • Reads data out of its own binary image
  • Drops a binary and executes it
  • The binary contains an unknown PE section name indicative of packing
  • Authenticode signature is invalid
  • Attempts to repeatedly call a single API many times in order to delay analysis time
  • Attempts to modify proxy settings

How to determine TrojanDownloader:Win32/Upatre!pz?


File Info:

name: B2F1A89C3047FBC89AD0.mlwpath: /opt/CAPEv2/storage/binaries/980556784a97799b37233b8ff9c1e71a3893c10906c984215bab47b00a75d359crc32: 77840ADEmd5: b2f1a89c3047fbc89ad01c96ac4df7desha1: bc9ace26372c93683032ca3d95baae183f2d8dbcsha256: 980556784a97799b37233b8ff9c1e71a3893c10906c984215bab47b00a75d359sha512: 8c54a8fd43930536f3423426e29adf116431f62ea09b3bc05eabdd3864387754a5cd7d1abc8e0f34b6745d35e168e415de3a232023fea532755c01c1817c1e54ssdeep: 384:Xz8qWI9TtGINz8PUorxIbB0GKZ15EO8kwv2Avla4SRMJqY6sAxSQqKDTfKq:XYqTTIINYPjrxIF0GKZ15f8TeCA4SR/Ptype: PE32 executable (GUI) Intel 80386, for MS Windowstlsh: T1DBB2243C5ED51976E37BCABAC5F645C7B974B42239029CCD40CB43850C23F66ADA1A1Esha3_384: e9675b6745658f3ea626fb02ba0ba0b4a91527bb80aec7752f8251a99b34e7eb4968b0ae07753b9e7d75f26dfec25da0ep_bytes: b800624000ffe088f8a8d46994d9b7f5timestamp: 2013-09-11 14:39:41

Version Info:

0: [No Data]

TrojanDownloader:Win32/Upatre!pz also known as:

Bkav W32.AIDetectMalware
Elastic malicious (high confidence)
MicroWorld-eScan Trojan.Ppatre.Gen.1
CAT-QuickHeal Trojan.Mauvaise.SL1
Skyhigh BehavesLike.Win32.Generic.mt
McAfee GenericRXIH-XP!B2F1A89C3047
Malwarebytes Generic.Malware.AI.DDS
VIPRE Trojan.Ppatre.Gen.1
Sangfor Trojan.Win32.Save.a
K7AntiVirus Trojan ( 005568151 )
BitDefender Trojan.Ppatre.Gen.1
K7GW Trojan ( 005568151 )
Cybereason malicious.6372c9
BitDefenderTheta AI:Packer.5516F9F41E
Symantec Downloader.Upatre!gm
tehtris Generic.Malware
ESET-NOD32 a variant of Win32/TrojanDownloader.Small.PRL
APEX Malicious
ClamAV Win.Malware.Ppatre-7112288-0
Kaspersky VHO:Trojan-Downloader.Win32.Waski.gen
Alibaba TrojanDownloader:Win32/Upatre.2acc722c
Rising Trojan.Kryptik!1.BB30 (CLASSIC)
Sophos W32/Systro-AB
F-Secure Trojan.TR/Dropper.Gen
DrWeb Trojan.DownLoader26.64201
Zillya Downloader.Generic.Win32.8667
TrendMicro TROJ_UPATRE.SMAS
Trapmine malicious.high.ml.score
FireEye Generic.mg.b2f1a89c3047fbc8
Emsisoft Trojan.Ppatre.Gen.1 (B)
SentinelOne Static AI – Malicious PE
MAX malware (ai score=89)
Jiangmin Trojan.Generic.dunym
Google Detected
Avira TR/Dropper.Gen
Varist W32/S-c0caa7f2!Eldorado
Antiy-AVL Trojan/Win32.Waski.a
Kingsoft malware.kb.a.1000
Microsoft TrojanDownloader:Win32/Upatre!pz
Xcitium TrojWare.Win32.TrojanDownloader.Upatre.ACC@56yhj8
Arcabit Trojan.Ppatre.Gen.1
ZoneAlarm HEUR:Trojan.Win32.Generic
GData Win32.Trojan-Downloader.Upatre.BJ
Cynet Malicious (score: 100)
AhnLab-V3 Trojan/Win32.Upatre.R289382
Acronis suspicious
VBA32 Trojan.Downloader
ALYac Trojan.Ppatre.Gen.1
DeepInstinct MALICIOUS
Cylance unsafe
Panda Trj/Genetic.gen
TrendMicro-HouseCall TROJ_UPATRE.SMAS
Tencent Trojan-DL.Win32.Upatre.kaj
Yandex Trojan.GenAsa!LXiB97J6ZtU
Ikarus Trojan-Downloader.Win32.Small
MaxSecure Trojan.Malware.121218.susgen
Fortinet W32/Parite.C
AVG Win32:TrojanX-gen [Trj]
Avast Win32:TrojanX-gen [Trj]
CrowdStrike win/malicious_confidence_100% (W)

How to remove TrojanDownloader:Win32/Upatre!pz?

  • 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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