Categories: Malware

Win32/Pronny.BL removal instruction

The Win32/Pronny.BL 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 Win32/Pronny.BL 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)
  • Attempts to disable Windows Auto Updates
  • Anomalous binary characteristics
  • Attempts to modify Explorer settings to prevent hidden files from being displayed

How to determine Win32/Pronny.BL?


File Info:

name: 1B0D51552C1508D82A47.mlwpath: /opt/CAPEv2/storage/binaries/07baf865b6df1ca19b284bd1af062fc9df58d5527c4255fa26a3eac44b04306bcrc32: 5FFE32CDmd5: 1b0d51552c1508d82a470e6a0853166asha1: 73e398bcc3990137517f7817e174b7ae06265153sha256: 07baf865b6df1ca19b284bd1af062fc9df58d5527c4255fa26a3eac44b04306bsha512: 6c795256f628f5c6c3cf0d3a019a5f06481994e673c258c6989cf141e2c6cd3cfaa0e62f68aaedddbe0471b777a017447aed36c30d5f0316ad6da866f42f97cfssdeep: 6144:H4knI56piIqQUuDnr3G5q/MEuolGjS7ZGll197SDfib12GaNK1mk9xqSj+iQVlDe:HTI56piIqQUuDnr3G0/iolGjS7ZGll1Dtype: PE32 executable (GUI) Intel 80386, for MS Windowstlsh: T1F47442143740F639E01685F53F0487B88539A93505E0AC07FB81BBA266B5EBFD6B6723sha3_384: 4bab1bb921ffd2d97ad0c1a19f973b2eb25ce09a09814cec744c4c254a4726b7fff3afb70967b908f216d59c53af2bbdep_bytes: 68204e4000e8f0ffffff000000000000timestamp: 2012-07-15 07:04:13

Version Info:

Translation: 0x0409 0x04b0Comments: speravi verdettoCompanyName: speravi verdettoFileDescription: speravi verdettoLegalCopyright: speravi verdettoLegalTrademarks: speravi verdettoProductName: speravi verdettoFileVersion: 5.87ProductVersion: 5.87InternalName: sparrowbillOriginalFilename: sparrowbill.exe

Win32/Pronny.BL also known as:

Bkav W32.AIDetectMalware
Lionic Worm.Win32.Vobfus.o!c
DrWeb Trojan.VbCrypt.60
MicroWorld-eScan Gen:Variant.VBKrypt.23
FireEye Generic.mg.1b0d51552c1508d8
McAfee GenDownloader.pr
Malwarebytes Worm.Obfuscator
Zillya Worm.Vobfus.Win32.309774
Sangfor Suspicious.Win32.Save.vb
K7AntiVirus EmailWorm ( 0054d10f1 )
Alibaba Worm:Win32/Vobfus.2a83ff31
K7GW EmailWorm ( 0054d10f1 )
CrowdStrike win/malicious_confidence_100% (W)
BitDefenderTheta AI:Packer.C9C6BD9920
VirIT Trojan.Win32.Generic.AJQX
Cyren W32/VBInject.BG.gen!Eldorado
Symantec W32.Changeup
Elastic malicious (high confidence)
ESET-NOD32 Win32/Pronny.BL
APEX Malicious
ClamAV Win.Trojan.Changeup-6169544-0
Kaspersky Worm.Win32.Vobfus.erev
BitDefender Gen:Variant.VBKrypt.23
NANO-Antivirus Trojan.Win32.WBNA.covlqh
Avast Win32:VB-ADSU [Trj]
Rising Worm.VobfusEx!1.99E2 (CLASSIC)
Sophos Troj/VB-FZU
F-Secure Trojan.TR/Dropper.Gen
Baidu Win32.Worm.Pronny.d
VIPRE Gen:Variant.VBKrypt.23
TrendMicro WORM_VOBFUS.SM01
McAfee-GW-Edition BehavesLike.Win32.VBObfus.fm
Trapmine malicious.moderate.ml.score
Emsisoft Gen:Variant.VBKrypt.23 (B)
SentinelOne Static AI – Suspicious PE
GData Gen:Variant.VBKrypt.23
Jiangmin Trojan.Generic.hnlax
Webroot W32.Trojan.Gen
Google Detected
Avira TR/Dropper.Gen
MAX malware (ai score=87)
Antiy-AVL Worm/Win32.WBNA.gen
Xcitium Worm.Win32.Pronny.BL@4pn6lp
Arcabit Trojan.VBKrypt.23
SUPERAntiSpyware Trojan.Agent/Gen-Vobfus
ZoneAlarm Worm.Win32.Vobfus.erev
Microsoft Trojan:Win32/Meredrop
Cynet Malicious (score: 100)
AhnLab-V3 Worm/Win32.VBNA.R30730
VBA32 BScope.Trojan.VBKrypt
ALYac Gen:Variant.VBKrypt.23
TACHYON Trojan/W32.VB-Diple.348160.B
Cylance unsafe
Panda Trj/Genetic.gen
TrendMicro-HouseCall WORM_VOBFUS.SM01
Tencent Trojan.Win32.FakeFolder.abh
Yandex Trojan.GenAsa!DSiKajy8TVg
Ikarus Worm.Win32.Vobfus
MaxSecure Trojan.Malware.10159979.susgen
Fortinet W32/Diple.FKNL!tr
AVG Win32:VB-ADSU [Trj]
DeepInstinct MALICIOUS

How to remove Win32/Pronny.BL?

  • 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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