Malware

Troj/Upatre-YJ (file analysis)

Malware Removal

The Troj/Upatre-YJ 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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Removing PC viruses manually may take hours and may damage your PC in the process. We recommend using GridinSoft Anti-Malware for virus removal. Allows to complete scan and cure your PC during the trial period.
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What Troj/Upatre-YJ 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 Troj/Upatre-YJ?


File Info:

name: C63F45B1CA991048EBE3.mlw
path: /opt/CAPEv2/storage/binaries/73cb25de3f94815cecfc3490798773c254ca8d86e75f74956602bbb6e8c080fb
crc32: 8A8F0B28
md5: c63f45b1ca991048ebe37fa05eeae882
sha1: 2b44b9a3478d5fd5df61538875c4265c13b70226
sha256: 73cb25de3f94815cecfc3490798773c254ca8d86e75f74956602bbb6e8c080fb
sha512: 61e5fe758c70fc85b962359444ff02dbe957609f2d85c07dda3924ad172ac8abd5b43a96d16d04f546f74973038157f65fbfbedefcd311cc4f08355b8d9326ab
ssdeep: 384:W6CpSYp0ai1jf4eVFra8w1oOBkYgRIPZtN8nL8kVa6Vr5IaphDB:W67xaGjAer2kYOwD2LdlRyQN
type: PE32 executable (GUI) Intel 80386, for MS Windows
tlsh: T134C2AE3C5EE91A77D3B7DABAC5F655C7B921B42239129C0D40CB03850C13F57ADA1A2E
sha3_384: 5747fbda3f1606521539373d63f79365e3e55daf238e01f7050db87efc5be3a2d1c5064c82fb14a95ff681f94d1f72d4
ep_bytes: 558becb83c200000e893030000535657
timestamp: 2013-09-11 14:39:41

Version Info:

0: [No Data]

Troj/Upatre-YJ also known as:

BkavW32.AIDetectMalware
Elasticmalicious (high confidence)
MicroWorld-eScanTrojan.GenericKDZ.94601
CAT-QuickHealDownldr.Upatre.S3306061
McAfeeDownloader-FBRM!C63F45B1CA99
MalwarebytesGeneric.Malware.AI.DDS
VIPRETrojan.GenericKDZ.94601
SangforTrojan.Win32.Save.a
K7AntiVirusTrojan ( 0052964f1 )
K7GWTrojan ( 0052964f1 )
CrowdStrikewin/malicious_confidence_100% (D)
BaiduWin32.Trojan-Downloader.Waski.k
VirITTrojan.Win32.Upatre.BT
CyrenW32/S-c2fca85b!Eldorado
SymantecDownloader.Upatre!gm
tehtrisGeneric.Malware
ESET-NOD32a variant of Win32/TrojanDownloader.Small.PRL
APEXMalicious
ClamAVWin.Malware.Ppatre-7112288-0
KasperskyHEUR:Trojan.Win32.Bublik.gen
BitDefenderTrojan.GenericKDZ.94601
NANO-AntivirusTrojan.Win32.DownLoad3.cqsjfu
SUPERAntiSpywareTrojan.Agent/Gen-Downloader
AvastWin32:Downloader-WID [Trj]
RisingDownloader.Agent!1.E264 (CLASSIC)
EmsisoftTrojan.GenericKDZ.94601 (B)
F-SecureTrojan.TR/Crypt.XPACK.Gen
DrWebTrojan.DownLoader26.64201
ZillyaTrojan.Bublik.Win32.24463
McAfee-GW-EditionBehavesLike.Win32.Generic.mz
Trapminemalicious.high.ml.score
FireEyeGeneric.mg.c63f45b1ca991048
SophosTroj/Upatre-YJ
SentinelOneStatic AI – Malicious PE
GDataWin32.Trojan-Downloader.Upatre.BJ
JiangminTrojanDownloader.Genome.acpr
WebrootW32.Malware.Gen
GoogleDetected
AviraTR/Crypt.XPACK.Gen
MAXmalware (ai score=86)
Antiy-AVLVirus/Win32.Expiro.imp
XcitiumTrojWare.Win32.TrojanDownloader.Small.PRN@7tcee6
ArcabitTrojan.Generic.D17189
ZoneAlarmHEUR:Trojan.Win32.Bublik.gen
MicrosoftTrojan:Win32/Vindor!pz
CynetMalicious (score: 100)
AhnLab-V3Trojan/Win32.Upatre.R234120
Acronissuspicious
BitDefenderThetaGen:NN.ZexaF.36318.bmY@aGuejGf
ALYacTrojan.GenericKDZ.94601
VBA32Trojan.Delf
Cylanceunsafe
PandaTrj/Genetic.gen
TencentMalware.Win32.Gencirc.10b2d977
YandexTrojan.GenAsa!LXiB97J6ZtU
IkarusTrojan-Downloader.Win32.Small
MaxSecureDownloader.Upatre.a
FortinetW32/Tiny.NIV!tr
AVGWin32:Downloader-WID [Trj]
DeepInstinctMALICIOUS

How to remove Troj/Upatre-YJ?

Troj/Upatre-YJ 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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