Categories: Trojan

TrojanDownloader:Win32/Upatre!pz malicious file

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: 1E5070F0F4F9771D5C74.mlwpath: /opt/CAPEv2/storage/binaries/6a0a4a0d741736c4f29e6749a78f2f56a836ba7856009a2905edcf6c3027bffbcrc32: 3D32E662md5: 1e5070f0f4f9771d5c74ea246117dadesha1: 732bc4cb9fa29719ff6f5be267bc768c2f6e92bfsha256: 6a0a4a0d741736c4f29e6749a78f2f56a836ba7856009a2905edcf6c3027bffbsha512: 6f3a5462dfcf1ee358ea567e564ac57693c6f74fc92adda6d485e9b8c3541d49f26cc092784b6b8b5aa16f55525041b1dd686aaf1a64e25af23feacd9509ab07ssdeep: 384:Xz8qWI9TtGINz8PUAZL5G2WdLxSiPuVoEfW:XYqTTIINYPJZLOdLxxWhetype: PE32 executable (GUI) Intel 80386, for MS Windowstlsh: T14E82223C5ED519B2E377CAB6CAF245C7BD65B42239129CCE40CB03850813F66BDA1A1Esha3_384: 008168a66c43f8e749bb65d402a20db04e57fe51f7fb2c8092f341742710d10851ad39153e0d70c7f185d76f937eaad2ep_bytes: b800624000ffe088f8a8d46994d9b7f5timestamp: 2013-09-11 14:39:41

Version Info:

0: [No Data]

TrojanDownloader:Win32/Upatre!pz also known as:

Bkav W32.AIDetectMalware
tehtris Generic.Malware
DrWeb Trojan.DownLoader26.64201
MicroWorld-eScan Trojan.Ppatre.Gen.1
CAT-QuickHeal Trojan.Mauvaise.SL1
Skyhigh BehavesLike.Win32.Generic.lt
McAfee GenericRXIH-XP!1E5070F0F4F9
Malwarebytes Generic.Malware.AI.DDS
Sangfor Trojan.Win32.Save.a
K7AntiVirus Trojan ( 005568151 )
K7GW Trojan ( 005568151 )
Cybereason malicious.b9fa29
BitDefenderTheta AI:Packer.5516F9F41E
Symantec Downloader.Upatre!gm
Elastic malicious (high confidence)
ESET-NOD32 a variant of Win32/TrojanDownloader.Small.PRL
APEX Malicious
ClamAV Win.Malware.Ppatre-7113132-0
Kaspersky HEUR:Trojan.Win32.Generic
BitDefender Trojan.Ppatre.Gen.1
Avast Win32:TrojanX-gen [Trj]
Rising Trojan.Kryptik!1.BB30 (CLASSIC)
Sophos W32/Systro-AB
F-Secure Trojan.TR/Dldr.Small.slalf
Zillya Downloader.Generic.Win32.8667
TrendMicro TROJ_UPATRE.SMAS
Trapmine malicious.high.ml.score
FireEye Generic.mg.1e5070f0f4f9771d
Emsisoft Trojan.Ppatre.Gen.1 (B)
Ikarus Trojan-Downloader.Win32.Small
MAX malware (ai score=84)
GData Win32.Trojan.PSE.H9T46E
Jiangmin Trojan.Generic.dunym
Google Detected
Avira TR/Dldr.Small.slalf
Varist W32/S-c0caa7f2!Eldorado
Antiy-AVL Trojan[Downloader]/Win32.Upatre
Kingsoft malware.kb.a.1000
Xcitium TrojWare.Win32.TrojanDownloader.Upatre.ACC@56yhj8
Arcabit Trojan.Ppatre.Gen.1
ZoneAlarm VHO:Trojan-Downloader.Win32.Waski.gen
Microsoft TrojanDownloader:Win32/Upatre!pz
Cynet Malicious (score: 100)
AhnLab-V3 Trojan/Win32.Upatre.R289382
Acronis suspicious
VBA32 Trojan.Downloader
ALYac Trojan.Ppatre.Gen.1
Cylance unsafe
Panda Trj/Genetic.gen
TrendMicro-HouseCall TROJ_UPATRE.SMAS
Tencent Trojan-DL.Win32.Upatre.kaj
SentinelOne Static AI – Malicious PE
MaxSecure Trojan.Malware.300983.susgen
Fortinet W32/Parite.C
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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