Malware

About “Win32/Pronny.EX” infection

Malware Removal

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

  • Behavioural detection: Executable code extraction – unpacking
  • Sample contains Overlay data
  • 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 pe 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.EX?


File Info:

name: 3637EE4430930253097A.mlw
path: /opt/CAPEv2/storage/binaries/244aadfa8d97160ea171b5742db9931f4f4078bb4f261f0b149b11d2ecedd746
crc32: 1248D81D
md5: 3637ee4430930253097ab8a9178fa2ec
sha1: b889bfc12caa08bccdd74c6c275536654cf5f0ff
sha256: 244aadfa8d97160ea171b5742db9931f4f4078bb4f261f0b149b11d2ecedd746
sha512: ef7a21cc2ba89753bbfcb989671a1c9ec98974e86a29ad7937edf98625948c58b59e06c534cef201ff00b32a7900472fca0fc7ed3d93df2695b31fc63a2fd607
ssdeep: 6144:8ZocuJuN4TTJ3b/pAPgbrTSBaLeiy0PcJyS+9G8pydfTIXLGPPq:AVu4N4PZb/SPgbrTSBaLei5EfEXLYPq
type: PE32 executable (GUI) Intel 80386, for MS Windows
tlsh: T1CB44C726B2E0FA39F421CAF4295987A4802EAD3155E27907F7C02F1977B6E939721353
sha3_384: 532888894a726dd0fff6dd637defe20f179bd19bc6e9d731f352373a7e440cf05d25ee9feeeae965f107cf99497c1691
ep_bytes: 68d03e4000e8eeffffff000000000000
timestamp: 2012-10-02 07:01:47

Version Info:

Translation: 0x0409 0x04b0
ProductName: Solcassimo
FileVersion: 7.94
ProductVersion: 7.94
InternalName: cancelled
OriginalFilename: cancelled.exe

Win32/Pronny.EX also known as:

BkavW32.AIDetectMalware
Elasticmalicious (high confidence)
MicroWorld-eScanGen:Variant.Barys.950
FireEyeGeneric.mg.3637ee4430930253
CAT-QuickHealTrojan.Beebone.D
SkyhighBehavesLike.Win32.VBObfus.dm
McAfeeGenDownloader.rv
MalwarebytesGeneric.Malware.AI.DDS
VIPREGen:Variant.Barys.950
SangforSuspicious.Win32.Save.vb
K7AntiVirusEmailWorm ( 0054d10f1 )
K7GWEmailWorm ( 0054d10f1 )
BaiduWin32.Worm.Pronny.d
VirITTrojan.Win32.Generic.CAFF
SymantecW32.Changeup
ESET-NOD32Win32/Pronny.EX
APEXMalicious
TrendMicro-HouseCallWORM_VOBFUS.SMAU
ClamAVWin.Trojan.Changeup-6169544-0
KasperskyWorm.Win32.Vobfus.kqb
BitDefenderGen:Variant.Barys.950
NANO-AntivirusTrojan.Win32.Vobfus.ewulfc
AvastWin32:VB-AEPK [Trj]
TencentWorm.Win32.Vobfus.q
EmsisoftGen:Variant.Barys.950 (B)
GoogleDetected
F-SecureTrojan.TR/Dropper.Gen
DrWebWin32.HLLW.Autoruner1.26999
TrendMicroWORM_VOBFUS.SMAU
SophosMal/SillyFDC-AC
IkarusTrojan-Downloader.Win32.Beebone
JiangminWorm/Vobfus.ira
WebrootW32.Dropper.Gen
VaristW32/VB.HE.gen!Eldorado
AviraTR/Dropper.Gen
Antiy-AVLWorm/Win32.WBNA.gen
Kingsoftmalware.kb.a.1000
MicrosoftWorm:Win32/Vobfus.IU
XcitiumWorm.Win32.Pronny.ABQ@4puwz1
ArcabitTrojan.Barys.950
ViRobotWorm.Win32.A.Vobfus.288512
ZoneAlarmWorm.Win32.Vobfus.kqb
GDataGen:Variant.Barys.950
CynetMalicious (score: 100)
AhnLab-V3Worm/Win32.Vobfus.R38952
VBA32Malware-Cryptor.VB.gen
MAXmalware (ai score=83)
Cylanceunsafe
PandaTrj/Genetic.gen
RisingWorm.Vobfus!8.10E (TFE:3:TzIvI0OQesI)
YandexTrojan.GenAsa!jYqu7CbDL1E
SentinelOneStatic AI – Malicious PE
MaxSecureTrojan.Malware.4617790.susgen
FortinetW32/Diple.EJQE!tr
BitDefenderThetaGen:NN.ZevbaF.36802.qm1@aSuwc8ci
AVGWin32:VB-AEPK [Trj]
DeepInstinctMALICIOUS
alibabacloudTrojan:Win/Vobfus.0b47952a

How to remove Win32/Pronny.EX?

Win32/Pronny.EX 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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