Categories: RansomTrojan

How to remove “UDS:Trojan-Ransom.Win32.Purga”?

The UDS:Trojan-Ransom.Win32.Purga 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-Ransom.Win32.Purga virus can do?

  • Attempts to connect to a dead IP:Port (4 unique times)
  • Repeatedly searches for a not-found process, may want to run with startbrowser=1 option
  • Drops a binary and executes it
  • HTTP traffic contains suspicious features which may be indicative of malware related traffic
  • Performs some HTTP requests
  • The binary likely contains encrypted or compressed data.
  • The executable is compressed using UPX
  • Uses Windows utilities for basic functionality
  • Attempts to delete volume shadow copies
  • Deletes its original binary from disk
  • Modifies boot configuration settings
  • Installs itself for autorun at Windows startup
  • Attempts to modify proxy settings
  • Creates a copy of itself
  • Anomalous binary characteristics
  • Uses suspicious command line tools or Windows utilities

Related domains:

iplogger.com
iplogger.org
ocsp.comodoca.com
ocsp.usertrust.com
crl.usertrust.com
ocsp.sectigo.com

How to determine UDS:Trojan-Ransom.Win32.Purga?


File Info:

crc32: 25C447EAmd5: 18a5a5fae295c5a62d427249d93b3363name: 18A5A5FAE295C5A62D427249D93B3363.mlwsha1: a4533ea54effde6727994ea4547a8d28cbb8f4easha256: 05bf8a086e21147175dca22208f36a3dc1dc20dce9fb882d5a419e43556bfc50sha512: fcffa7d3094eacc3db1e219f820d7afe52b82776dc7f318e6ba45b17372e2fe4234a96bb419ed0ab67de10c729c2ac8f647fd22bfd488acce7688c36ce6cc55assdeep: 1536:NiWIFURqmteReai376ctPV/zNyg/duItuteRlfqFzJBNdsRakYn:5ASai37xPV/L/8quteRlfqFVBNdEakctype: PE32 executable (GUI) Intel 80386, for MS Windows, UPX compressed

Version Info:

0: [No Data]

UDS:Trojan-Ransom.Win32.Purga also known as:

Bkav W32.AIDetect.malware1
K7AntiVirus Trojan ( 004f6e981 )
Lionic Trojan.Win32.Generic.4!c
Elastic malicious (high confidence)
DrWeb Trojan.Encoder.33655
Cynet Malicious (score: 100)
ALYac Trojan.Ransom.Amnesia
Cylance Unsafe
Zillya Trojan.Ransom.Win32.992
Sangfor Trojan.Win32.Save.a
CrowdStrike win/malicious_confidence_80% (D)
Alibaba Trojan:Win32/Filecoder.66b26a96
K7GW Trojan ( 004f6e981 )
Cybereason malicious.ae295c
Symantec ML.Attribute.HighConfidence
ESET-NOD32 a variant of Win32/Filecoder.FS
APEX Malicious
Avast Win32:Malware-gen
ClamAV Win.Ransomware.Scarab-6336012-1
Kaspersky UDS:Trojan-Ransom.Win32.Purga
BitDefender Trojan.Ransom.Amnesia.C
NANO-Antivirus Trojan.Win32.Filecoder.fcqcwm
MicroWorld-eScan Trojan.Ransom.Amnesia.C
Tencent Win32.Trojan.Raas.Auto
Ad-Aware Trojan.Ransom.Amnesia.C
Sophos ML/PE-A + Mal/DelpDldr-F
Comodo Malware@#2ctkhx8k0e75x
BitDefenderTheta AI:Packer.6B1CE99D1D
VIPRE Trojan.Win32.Generic!BT
TrendMicro Mal_Purge
McAfee-GW-Edition BehavesLike.Win32.Generic.lc
FireEye Generic.mg.18a5a5fae295c5a6
Emsisoft Trojan.Ransom.Amnesia.C (B)
SentinelOne Static AI – Malicious PE
Jiangmin Trojan.Generic.bmdfw
Avira TR/Downloader.Gen
eGambit Unsafe.AI_Score_99%
Antiy-AVL Trojan/Generic.ASMalwS.21BE4CB
Microsoft Trojan:Win32/Occamy.C
ZoneAlarm HEUR:Trojan.Win32.Generic
GData Trojan.Ransom.Amnesia.C
AhnLab-V3 Trojan/Win32.CryptXXX.R208829
Acronis suspicious
McAfee Artemis!18A5A5FAE295
MAX malware (ai score=100)
VBA32 BScope.TrojanRansom.Kitoles
Panda Trj/CI.A
TrendMicro-HouseCall Mal_Purge
Yandex Trojan.GenAsa!naaCZ9xMLiA
Ikarus Trojan-Ransom.FileCrypter
MaxSecure Trojan.Malware.300983.susgen
Fortinet W32/Filecoder.FS!tr
AVG Win32:Malware-gen
Paloalto generic.ml
Qihoo-360 Win32/Ransom.Amnesia.HwsBy6cA

How to remove UDS:Trojan-Ransom.Win32.Purga?

  • 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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