Categories: Trojan

TrojanDownloader:Win32/Upatre!pz removal instruction

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
  • Executable file is packed/obfuscated with MPRESS
  • Authenticode signature is invalid
  • Attempts to repeatedly call a single API many times in order to delay analysis time
  • Attempts to modify proxy settings
  • Anomalous binary characteristics
  • Yara rule detections observed from a process memory dump/dropped files/CAPE

How to determine TrojanDownloader:Win32/Upatre!pz?


File Info:

name: 5290CB351EAF9EFF0983.mlwpath: /opt/CAPEv2/storage/binaries/1a1d91f7f5b080d69e08f32ece8ae7d704f3e708e0cf1a30ec0583e4a1150b7ccrc32: 3FF133DBmd5: 5290cb351eaf9eff09831d170f102921sha1: 1f0873a782335752df70cf87ddd2835716a5aaddsha256: 1a1d91f7f5b080d69e08f32ece8ae7d704f3e708e0cf1a30ec0583e4a1150b7csha512: 25cf9e134474e3de95bb9811553ceff7d55e557151949229ab3edc62fa3e0e9bef9013475b96e3238875dea24673c2119f41bb05fe852ac36281293fa27f5831ssdeep: 384:K+Ozz4Pz/uYpzATWZ5YpPaiTzELDr0+BBfBRwotgMqdwoXj+8Iu:K+OoP6bIeabzLfnwotBbYWutype: PE32 executable (GUI) Intel 80386, for MS Windowstlsh: T1B0A3763C2FD55A76E3BBCAB6C5F651C7FD35B4223912980D40DB43440823FA6ADA1A1Esha3_384: 1d9d31cb3e8dfb240c4b26843a5a097cfecc83ce3b151def747e1d513027a60a8d424bb47afedb157480de865b913511ep_bytes: 558becb83c200000e893030000535657timestamp: 2013-09-11 14:39:41

Version Info:

0: [No Data]

TrojanDownloader:Win32/Upatre!pz also known as:

Bkav W32.AIDetectMalware
Lionic Trojan.Win32.Small.4!c
tehtris Generic.Malware
DrWeb Trojan.DownLoader26.64201
MicroWorld-eScan Trojan.GenericKD.48063313
FireEye Generic.mg.5290cb351eaf9eff
CAT-QuickHeal Trojan.GenericCS.S24128547
Skyhigh BehavesLike.Win32.Infected.nz
ALYac Trojan.GenericKD.48063313
Malwarebytes Generic.Malware.AI.DDS
Zillya Downloader.Small.Win32.137540
Sangfor Trojan.Win32.Save.a
CrowdStrike win/malicious_confidence_100% (W)
Alibaba Trojan:Win32/Upatre.110cc
K7GW Trojan ( 0052964f1 )
K7AntiVirus Trojan ( 0052964f1 )
Arcabit Trojan.Generic.D2DD6351
BitDefenderTheta Gen:NN.ZexaF.36792.giY@aySfa8n
Symantec Downloader.Upatre!gm
Elastic malicious (high confidence)
ESET-NOD32 a variant of Win32/TrojanDownloader.Small.PRL
Cynet Malicious (score: 100)
APEX Malicious
ClamAV Win.Trojan.Generic-9907715-0
Kaspersky UDS:Trojan.Win32.Bublik
BitDefender Trojan.GenericKD.48063313
NANO-Antivirus Trojan.Win32.DownLoad3.cqsjfu
Avast Win32:Downloader-WID [Trj]
Tencent Trojan-Downloader.Win32.Small.he
Sophos Troj/Upatre-YW
F-Secure Trojan.TR/Patched.Ren.Gen
Baidu Win32.Trojan-Downloader.Waski.k
VIPRE Trojan.GenericKD.48063313
TrendMicro TROJ_GEN.R002C0CJK23
Trapmine malicious.high.ml.score
Emsisoft Trojan.GenericKD.48063313 (B)
Ikarus Trojan-Downloader.Win32.Small
Jiangmin TrojanDownloader.Genome.acpr
Webroot W32.Malware.Gen
Varist W32/SmallTrojan.CR.gen!Eldorado
Avira TR/Patched.Ren.Gen
Antiy-AVL Trojan/Win32.Waski.a
Kingsoft malware.kb.a.999
Xcitium TrojWare.Win32.TrojanDownloader.Small.PRN@7tcee6
Microsoft TrojanDownloader:Win32/Upatre!pz
ZoneAlarm UDS:Trojan.Win32.Bublik
GData Win32.Trojan-Downloader.Upatre.BJ
Google Detected
AhnLab-V3 Downloader/Win.Upatre.R589472
Acronis suspicious
McAfee Downloader-FBRM!5290CB351EAF
MAX malware (ai score=80)
VBA32 Trojan.Downloader
Cylance unsafe
Panda Trj/Genetic.gen
TrendMicro-HouseCall TROJ_GEN.R002C0CJK23
Rising Downloader.Agent!1.E264 (CLASSIC)
Yandex Trojan.DL.Small!dssFdhTXVBw
SentinelOne Static AI – Malicious PE
MaxSecure Trojan.Upatre.Gen
Fortinet W32/Tiny.NIV!tr
AVG Win32:Downloader-WID [Trj]
Cybereason malicious.782335
DeepInstinct MALICIOUS

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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