Categories: Trojan

How to remove “UDS:Trojan.Win32.Copak.rfjj”?

The UDS:Trojan.Win32.Copak.rfjj 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 UDS:Trojan.Win32.Copak.rfjj virus can do?

  • Behavioural detection: Executable code extraction – unpacking
  • SetUnhandledExceptionFilter detected (possible anti-debug)
  • Sample contains Overlay data
  • Creates RWX memory
  • Possible date expiration check, exits too soon after checking local time
  • Dynamic (imported) function loading detected
  • Reads data out of its own binary image
  • CAPE extracted potentially suspicious content
  • The binary likely contains encrypted or compressed data.
  • Authenticode signature is invalid
  • Deletes its original binary from disk
  • Created a process from a suspicious location
  • Creates a copy of itself
  • Deletes executed files from disk

How to determine UDS:Trojan.Win32.Copak.rfjj?


File Info:

name: 3037FD9A52849E9765FA.mlwpath: /opt/CAPEv2/storage/binaries/6a97bb01bffbbd165cbb2d9d9d78b3a2ca43f3d62cf70022f3221057b376fd9dcrc32: 23C9CF37md5: 3037fd9a52849e9765fae2c9583aaa8dsha1: 830db651855d9be3b17a36f63c2ae44eda5e961fsha256: 6a97bb01bffbbd165cbb2d9d9d78b3a2ca43f3d62cf70022f3221057b376fd9dsha512: b04d533c324841a5682f48bcb2e970dc79d981f93d77f79c228b19ccb37c71551ae68a7341d5fb4ef9e4500d734f65d4499cef27819c33e69b04d77d5e3426d4ssdeep: 1536:7t2yMlfzhnVmRFJs44eGH/biIBTqto7teeqjN9UBP0ribyQxR90fpRevH7:8PLhVU/s44eGfbDBQjq0riDX0f3evH7type: PE32 executable (console) Intel 80386, for MS Windowstlsh: T1A29302E99B9E9149F63E0179C66243DFD6F6760333D11AB3D92C15D1296E08A2DCF032sha3_384: 2a2e67d533c219ba4b67169976539b260ea0697e3cabedfb21de750ff1e50358aafd6222bfca8e845bf26f99f79872f4ep_bytes: 6800000000585601ff59bfbe6ce91089timestamp: 1970-01-01 00:00:00

Version Info:

0: [No Data]

UDS:Trojan.Win32.Copak.rfjj also known as:

Bkav W32.AIDetect.malware1
Elastic malicious (high confidence)
DrWeb Trojan.Siggen18.30338
MicroWorld-eScan Gen:Variant.Razy.865537
FireEye Generic.mg.3037fd9a52849e97
McAfee Glupteba-FUBP!3037FD9A5284
Malwarebytes Malware.AI.2099357978
Sangfor Suspicious.Win32.Save.a
K7AntiVirus Trojan ( 0058c5ff1 )
K7GW Trojan ( 005435201 )
CrowdStrike win/malicious_confidence_100% (W)
BitDefenderTheta Gen:NN.ZexaF.34582.fuY@aejYyMk
Cyren W32/Kryptik.ECM.gen!Eldorado
Symantec ML.Attribute.HighConfidence
ESET-NOD32 a variant of Win32/Kryptik.XVS
ClamAV Win.Packed.Razy-9952473-0
Kaspersky UDS:Trojan.Win32.Copak.rfjj
BitDefender Gen:Variant.Razy.865537
NANO-Antivirus Virus.Win32.Gen.ccmw
Avast Win32:Trojan-gen
Tencent Trojan.Win32.Copak.pa
Ad-Aware Gen:Variant.Razy.865537
VIPRE Gen:Variant.Razy.865537
McAfee-GW-Edition BehavesLike.Win32.Glupteba.nc
Trapmine malicious.high.ml.score
Emsisoft Gen:Variant.Razy.865537 (B)
SentinelOne Static AI – Malicious PE
Jiangmin Trojan.Copak.cgge
Avira TR/Dropper.Gen
Microsoft Trojan:Win32/IRCBot.MS!MTB
GData Gen:Variant.Razy.865537
Cynet Malicious (score: 100)
AhnLab-V3 Trojan/Win.FUBP.R496673
Acronis suspicious
VBA32 BScope.Trojan.Wacatac
ALYac Gen:Variant.Razy.865537
MAX malware (ai score=89)
APEX Malicious
Rising Trojan.Kryptik!1.D635 (CLASSIC)
MaxSecure Trojan.Malware.300983.susgen
Fortinet W32/Kryptik.ECM!tr
AVG Win32:Trojan-gen
Cybereason malicious.1855d9

How to remove UDS:Trojan.Win32.Copak.rfjj?

  • 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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