Categories: Trojan

TrojanDownloader:Win32/Upatre!pz information

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: EF90BB77A8387E585702.mlwpath: /opt/CAPEv2/storage/binaries/d5013dd410d844c0e4e330493e3d24dcc8e47678cad7aa9c0274dde5bf6ef79dcrc32: 18D5B7C3md5: ef90bb77a8387e5857020cc0fb4d1464sha1: abfa82ef0ff9c2461c70d4788c2c45c29e3ddacdsha256: d5013dd410d844c0e4e330493e3d24dcc8e47678cad7aa9c0274dde5bf6ef79dsha512: aedea004f2a985e79cee13846a26723e4adf3782bd22f882f9f75004291fd84072ee344ccb1bb32d8d2a498c7f188f4ea563f9c44587e2655b321fb5ad317edcssdeep: 768:XYqTTIINYPjrxIF0GKZ15f8TeCA4SR/sAxSTKDTho00LEqDb28Y:XYcNY0KZrtBxSTKRo0gENtype: PE32 executable (GUI) Intel 80386, for MS Windowstlsh: T18903CF3C5ED52576E37BCAB6C6F645C7B925B42339029CCE40DB43810823F66BDA1A1Esha3_384: 3f1d409b932c0085411bc3616c4cb0462bc53bf09b5e946d513da882af4d9490d4cae971ffa6b10f63bd497fc7681126ep_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.nt
McAfee GenericRXIH-XP!EF90BB77A838
Cylance unsafe
VIPRE Trojan.Ppatre.Gen.1
Sangfor Trojan.Win32.Save.a
K7AntiVirus Trojan ( 005568151 )
Alibaba TrojanDownloader:Win32/Upatre.fd78a654
K7GW Trojan ( 005568151 )
Cybereason malicious.f0ff9c
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
BitDefender Trojan.Ppatre.Gen.1
Avast Win32:TrojanX-gen [Trj]
Tencent Trojan-DL.Win32.Upatre.kaj
Emsisoft Trojan.Ppatre.Gen.1 (B)
F-Secure Trojan.TR/Dldr.Small.ghjpe
DrWeb Trojan.DownLoader26.64201
Zillya Downloader.Generic.Win32.8667
TrendMicro TROJ_UPATRE.SMAZ
Trapmine malicious.high.ml.score
FireEye Generic.mg.ef90bb77a8387e58
Sophos W32/Systro-AB
SentinelOne Static AI – Malicious PE
MAX malware (ai score=81)
GData Win32.Trojan-Downloader.Upatre.BJ
Jiangmin Trojan.Generic.dunym
Google Detected
Avira TR/Dldr.Small.ghjpe
Varist W32/S-5aba6b96!Eldorado
Antiy-AVL Trojan/Win32.Waski.a
Kingsoft malware.kb.a.1000
Xcitium TrojWare.Win32.TrojanDownloader.Upatre.ACC@56yhj8
Arcabit Trojan.Ppatre.Gen.1
ZoneAlarm HEUR:Trojan.Win32.Generic
Microsoft TrojanDownloader:Win32/Upatre!pz
Cynet Malicious (score: 100)
AhnLab-V3 Trojan/Win32.Upatre.R289382
Acronis suspicious
VBA32 Trojan.Downloader
Malwarebytes Generic.Malware.AI.DDS
Panda Trj/Genetic.gen
TrendMicro-HouseCall TROJ_UPATRE.SMAZ
Rising Worm.Soltern!1.BB24 (CLASSIC)
Yandex Trojan.GenAsa!LXiB97J6ZtU
Ikarus Trojan-Downloader.Win32.Small
MaxSecure Trojan.Malware.121218.susgen
Fortinet W32/Parite.C
BitDefenderTheta AI:Packer.949826341E
AVG Win32:TrojanX-gen [Trj]
DeepInstinct MALICIOUS
CrowdStrike win/malicious_confidence_100% (D)

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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