Categories: Trojan

TrojanDownloader:Win32/Upatre!pz removal

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
  • The binary likely contains encrypted or compressed data.
  • 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

How to determine TrojanDownloader:Win32/Upatre!pz?


File Info:

name: A1D4AC31DCA80A76A622.mlwpath: /opt/CAPEv2/storage/binaries/e377b793d4c6741c745dcad340f88438b416678c87b2f1bc6668e3f52e495552crc32: C34B0064md5: a1d4ac31dca80a76a6223aa3974db5a8sha1: 4ce287096818e6107ee7c710896501089820fef7sha256: e377b793d4c6741c745dcad340f88438b416678c87b2f1bc6668e3f52e495552sha512: 3ef02a390583d103001ef246edd9214c1cf0fb57455c937db6f663dc0050eeb79d28c7a9666afc00959a10916b631db37fa4a43b50f770f7fc06ea6b2608a882ssdeep: 12288:eehOA+AUTpldpbKSb8l52Qyvj5yMUaSv/DLO4A37z3wa362UnNuI55JPB0b+it:JOA+AUTpldpbba5kv8MUaSzLO/3PwfNmtype: PE32 executable (GUI) Intel 80386, for MS Windowstlsh: T180B45A312BCB5AB5E363D8F246FAF7E18579F531961FD25EE3CC0F0A45229809910E1Asha3_384: a1eb3a0d6f6db022bfa4d69c4cbc92e91d8ece16767698baa6e94c287079ac6e86332b5a04ec2be6eed32f14e358feb0ep_bytes: 558bec81ec3c08000053565733f656fftimestamp: 2013-10-15 12:38:30

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
ClamAV Win.Trojan.DustySky-22
FireEye Generic.mg.a1d4ac31dca80a76
CAT-QuickHeal Trojan.Mauvaise.SL1
Skyhigh BehavesLike.Win32.Generic.hh
McAfee Downloader-FBVZ!A1D4AC31DCA8
Malwarebytes Generic.Malware.AI.DDS
VIPRE Trojan.Ppatre.Gen.1
Sangfor Suspicious.Win32.Save.ins
K7AntiVirus Trojan-Downloader ( 004f50301 )
K7GW Trojan-Downloader ( 004f50301 )
Cybereason malicious.96818e
BitDefenderTheta AI:Packer.852ACA601F
Symantec Trojan Horse
tehtris Generic.Malware
ESET-NOD32 a variant of Win32/TrojanDownloader.Waski.A
APEX Malicious
Cynet Malicious (score: 100)
Kaspersky not-a-virus:HEUR:AdWare.Win32.Linkury.gen
BitDefender Trojan.Ppatre.Gen.1
Avast Win32:Vitro [Inf]
Tencent Trojan.Win32.Downloader.wb
Sophos ML/PE-A
Baidu Win32.Trojan-Downloader.Waski.k
F-Secure Heuristic.HEUR/AGEN.1317172
DrWeb Trojan.DownLoader25.56634
Zillya Downloader.Waski.Win32.88129
TrendMicro Trojan.Win32.UPATRE.SMCBT
Trapmine malicious.high.ml.score
Emsisoft Trojan.Ppatre.Gen.1 (B)
Ikarus Trojan-Downloader.Win32.Waski
GData Win32.Trojan.PSE.10H4FHC
Jiangmin Trojan/Generic.azrzv
Webroot W32.Trojan.Gen
Google Detected
Avira HEUR/AGEN.1317172
Antiy-AVL Virus/Win32.Expiro.ropf
Kingsoft malware.kb.a.1000
Xcitium TrojWare.Win32.TrojanDownloader.Small.CDC@8mzsfr
Arcabit Trojan.Ppatre.Gen.1
ZoneAlarm not-a-virus:HEUR:AdWare.Win32.Linkury.gen
Microsoft TrojanDownloader:Win32/Upatre!pz
Varist W32/Trojan.LSRX-1522
Acronis suspicious
VBA32 BScope.Trojan.Downloader
ALYac Trojan.Ppatre.Gen.1
MAX malware (ai score=89)
Cylance unsafe
Panda Trj/Genetic.gen
TrendMicro-HouseCall Trojan.Win32.UPATRE.SMCBT
Rising Downloader.Waski!1.A489 (CLASSIC)
Yandex Trojan.GenAsa!xjw/xZS1BKE
SentinelOne Static AI – Malicious PE
Fortinet W32/Waski.A!tr
AVG Win32:Vitro [Inf]
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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