Categories: Malware

How to remove “Win32/Pronny.ET”?

The Win32/Pronny.ET 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 Win32/Pronny.ET virus can do?

  • Behavioural detection: Executable code extraction – unpacking
  • Reads data out of its own binary image
  • CAPE extracted potentially suspicious content
  • Drops a binary and executes it
  • Authenticode signature is invalid
  • Behavioural detection: Injection (inter-process)
  • CAPE detected the embedded win api malware family
  • Attempts to disable Windows Auto Updates
  • Anomalous binary characteristics
  • Attempts to modify Explorer settings to prevent hidden files from being displayed
  • Yara detections observed in process dumps, payloads or dropped files

How to determine Win32/Pronny.ET?


File Info:

name: 62DF401D4A40547AE544.mlwpath: /opt/CAPEv2/storage/binaries/6265342cb142561e08049230dee63b2a4b202421782bf3b6d0665e32383f9037crc32: 12DE68BFmd5: 62df401d4a40547ae544742f7acd7184sha1: 830bb48dbcc8e0d171d5b087977d715a762bfe65sha256: 6265342cb142561e08049230dee63b2a4b202421782bf3b6d0665e32383f9037sha512: 74906bebb4be82938af2a82114184c10b08a7a1faa275a808829d0dcad98206375ebc26db857d29c082ae96d35c0aeff5d1659737bcaca68e4bc3fe1f5b4e1a4ssdeep: 6144:K5mavQHcZQ2hqU+6ONGn0BbjvwC1SL3HAijW46BqU:K5mavmcZQ2hqU+VNGn0RjvwC1SxjW46Xtype: PE32 executable (GUI) Intel 80386, for MS Windowstlsh: T1855484112690AE2ED4AC89F0DD9ED390873E6C3251F36837F6D0775976A1C63B92132Bsha3_384: 08d114efc85787ffeed3b2963620b47b86f4565d1138df6b0390e181029d0cfe6222c7624104642f2a9dec06d7fd0606ep_bytes: 689c3f4000e8eeffffff000000000000timestamp: 2012-09-29 07:44:55

Version Info:

Translation: 0x0409 0x04b0ProductName: overmostFileVersion: 9.95ProductVersion: 9.95InternalName: JoyantOriginalFilename: Joyant.exe

Win32/Pronny.ET also known as:

Bkav W32.AIDetectMalware
Elastic malicious (high confidence)
DrWeb Win32.HLLW.Autoruner1.26871
MicroWorld-eScan Gen:Variant.Barys.950
FireEye Generic.mg.62df401d4a40547a
CAT-QuickHeal Worm.VobfusVMF.S21466219
Skyhigh BehavesLike.Win32.VBObfus.dm
McAfee GenDownloader.rv
Cylance unsafe
Zillya Worm.Vobfus.Win32.1518110
Sangfor Suspicious.Win32.Save.vb
K7AntiVirus EmailWorm ( 0054d10f1 )
Alibaba Worm:Win32/Vobfus.670e9d1c
K7GW EmailWorm ( 0054d10f1 )
BitDefenderTheta Gen:NN.ZevbaF.36804.rm0@a04WpMai
VirIT Trojan.Win32.Generic.BYPW
Symantec ML.Attribute.HighConfidence
tehtris Generic.Malware
ESET-NOD32 a variant of Win32/Pronny.ET
APEX Malicious
TrendMicro-HouseCall WORM_VOBFUS.SM00
ClamAV Win.Trojan.Changeup-6169544-0
Kaspersky Worm.Win32.Vobfus.jod
BitDefender Gen:Variant.Barys.950
NANO-Antivirus Trojan.Win32.Vobfus.ewohwn
ViRobot Worm.Win32.A.Vobfus.282624
Avast Win32:VB-AEOS [Trj]
Tencent Worm.Win32.Vobfus.kaq
Emsisoft Gen:Variant.Barys.950 (B)
Google Detected
F-Secure Trojan.TR/Dropper.Gen
Baidu Win32.Worm.Pronny.d
VIPRE Gen:Variant.Barys.950
TrendMicro WORM_VOBFUS.SM00
Sophos Mal/SillyFDC-AC
Ikarus Worm.Win32.WBNA
Jiangmin Worm/Vobfus.ayw
Webroot W32.Vobfus
Varist W32/VB.HE.gen!Eldorado
Avira TR/Dropper.Gen
Antiy-AVL Worm/Win32.WBNA.gen
Kingsoft malware.kb.a.1000
Microsoft Worm:Win32/Vobfus.IP
Xcitium TrojWare.Win32.Pronny.EB@4qtzpj
Arcabit Trojan.Barys.950
ZoneAlarm Worm.Win32.Vobfus.jod
GData Gen:Variant.Barys.950
Cynet Malicious (score: 100)
AhnLab-V3 Downloader/Win32.Murlo.R45756
VBA32 Malware-Cryptor.VB.gen
ALYac Gen:Variant.Barys.950
MAX malware (ai score=84)
Malwarebytes Pronny.Worm.Spreader.DDS
Panda Trj/Genetic.gen
Rising Worm.VobfusEx!1.99EB (CLASSIC)
Yandex Trojan.GenAsa!6y8gCqqI1e0
SentinelOne Static AI – Suspicious PE
MaxSecure Trojan.Malware.4606326.susgen
Fortinet W32/VBKrypt.CA!tr
AVG Win32:VB-AEOS [Trj]
DeepInstinct MALICIOUS
alibabacloud Trojan.Win.UnkAgent

How to remove Win32/Pronny.ET?

  • 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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