Trojan

TrojanDownloader:Win32/Upatre!pz (file analysis)

Malware 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
  • 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
  • Yara rule detections observed from a process memory dump/dropped files/CAPE

How to determine TrojanDownloader:Win32/Upatre!pz?


File Info:

name: 871FA412BB334066F97C.mlw
path: /opt/CAPEv2/storage/binaries/68081432a51367ff07813b7d64e9290dcf97cfd74abf88c22e320d976d7e0719
crc32: 3BD09DA9
md5: 871fa412bb334066f97c891304e9d916
sha1: 7a1f80dbaa78396f3780dc2edecb6138658a7d9f
sha256: 68081432a51367ff07813b7d64e9290dcf97cfd74abf88c22e320d976d7e0719
sha512: 0baea7200e852fab8c7ba2c8e02b4b60319ffb04a5fdb1e044d9433be14feb3397f4f8fee91877b9aead15a2fd252abea4f04da519412657cf76f8374a1f8b27
ssdeep: 768:W67xaGjAer7gy4QMcZJpeBHgf8nR5N7ANT7:Mer8yj3WHJnqNT7
type: PE32 executable (GUI) Intel 80386, for MS Windows
tlsh: T1D1D2F03C6ED51A73E3BBCAB6C5F655C7B925B42239129C0E40DB03850C13F67ADA1A1E
sha3_384: ea47817f529c9f7550f1f64e39a07a959dce6cf49a37104f9e9b7386704a587dfc6a433c014d30a1718306b9f059b203
ep_bytes: 558becb83c200000e893030000535657
timestamp: 2013-09-11 14:39:41

Version Info:

0: [No Data]

TrojanDownloader:Win32/Upatre!pz also known as:

BkavW32.AIDetectMalware
LionicTrojan.Win32.Upatre.1j!c
tehtrisGeneric.Malware
MicroWorld-eScanTrojan.GenericKDZ.94601
ClamAVWin.Malware.Ppatre-7112288-0
FireEyeGeneric.mg.871fa412bb334066
CAT-QuickHealDownldr.Upatre.S3306061
SkyhighBehavesLike.Win32.Generic.mz
ALYacTrojan.GenericKDZ.94601
Cylanceunsafe
ZillyaTrojan.Bublik.Win32.24463
SangforTrojan.Win32.Save.a
CrowdStrikewin/malicious_confidence_100% (W)
AlibabaTrojan:Win32/Upatre.110cc
K7GWTrojan ( 0052964f1 )
K7AntiVirusTrojan ( 0052964f1 )
BaiduWin32.Trojan-Downloader.Waski.k
VirITTrojan.Win32.Upatre.BT
SymantecDownloader.Upatre!gm
Elasticmalicious (high confidence)
ESET-NOD32a variant of Win32/TrojanDownloader.Small.PRL
APEXMalicious
CynetMalicious (score: 100)
KasperskyHEUR:Trojan.Win32.Bublik.gen
BitDefenderTrojan.GenericKDZ.94601
NANO-AntivirusTrojan.Win32.DownLoad3.cqsjfu
SUPERAntiSpywareTrojan.Agent/Gen-Upatre
AvastWin32:Downloader-WID [Trj]
TencentTrojan-Downloader.Win32.Waski.16000151
TACHYONTrojan-Downloader/W32.Upatre.29178.F
SophosTroj/Upatre-YJ
F-SecureTrojan.TR/Crypt.XPACK.Gen
DrWebTrojan.DownLoader26.64201
VIPRETrojan.GenericKDZ.94601
TrendMicroTROJ_GEN.R002C0CA224
Trapminemalicious.high.ml.score
EmsisoftTrojan.GenericKDZ.94601 (B)
SentinelOneStatic AI – Malicious PE
JiangminTrojanDownloader.Genome.acpr
WebrootW32.Malware.Gen
GoogleDetected
AviraTR/Crypt.XPACK.Gen
Antiy-AVLVirus/Win32.Expiro.imp
Kingsoftmalware.kb.b.1000
MicrosoftTrojanDownloader:Win32/Upatre!pz
XcitiumTrojWare.Win32.TrojanDownloader.Small.PRN@7tcee6
ArcabitTrojan.Generic.D17189
ZoneAlarmHEUR:Trojan.Win32.Bublik.gen
GDataWin32.Trojan-Downloader.Upatre.BJ
VaristW32/S-c2fca85b!Eldorado
AhnLab-V3Trojan/Win32.Upatre.R234120
Acronissuspicious
McAfeeDownloader-FBRM!871FA412BB33
MAXmalware (ai score=89)
VBA32Trojan.Delf
MalwarebytesGeneric.Malware.AI.DDS
PandaTrj/Genetic.gen
TrendMicro-HouseCallTROJ_GEN.R002C0CA224
RisingDownloader.Agent!1.E264 (CLASSIC)
YandexTrojan.GenAsa!LXiB97J6ZtU
IkarusTrojan-Downloader.Win32.Small
MaxSecureDownloader.Upatre.a
FortinetW32/Tiny.NIV!tr
BitDefenderThetaGen:NN.ZexaF.36680.bmY@aGuejGf
AVGWin32:Downloader-WID [Trj]
Cybereasonmalicious.baa783
DeepInstinctMALICIOUS

How to remove TrojanDownloader:Win32/Upatre!pz?

TrojanDownloader:Win32/Upatre!pz removal tool
  • 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.

About the author

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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