Malware

Should I remove “Win32/GenCBL.AYU”?

Malware Removal

The Win32/GenCBL.AYU 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/GenCBL.AYU virus can do?

  • Behavioural detection: Executable code extraction – unpacking
  • SetUnhandledExceptionFilter detected (possible anti-debug)
  • Presents an Authenticode digital signature
  • Creates RWX memory
  • Guard pages use detected – possible anti-debugging.
  • A process attempted to delay the analysis task.
  • Dynamic (imported) function loading detected
  • Performs HTTP requests potentially not found in PCAP.
  • Reads data out of its own binary image
  • A process created a hidden window
  • CAPE extracted potentially suspicious content
  • The binary contains an unknown PE section name indicative of packing
  • Behavior consistent with a dropper attempting to download the next stage.
  • Attempts to identify installed AV products by registry key
  • Attempts to modify proxy settings
  • Uses suspicious command line tools or Windows utilities

How to determine Win32/GenCBL.AYU?


File Info:

name: 682B53E65818617815DF.mlw
path: /opt/CAPEv2/storage/binaries/2cff0a65aa72359277ff382ef82969d3caede39559ac940d1d0260c606339b2f
crc32: 626C438E
md5: 682b53e65818617815df9ec30989e20c
sha1: 019b6de35a1155a283f265bcde522fce0c0079ab
sha256: 2cff0a65aa72359277ff382ef82969d3caede39559ac940d1d0260c606339b2f
sha512: 71e36ee8242268f2859fa3b9463bb54a2577e9a8e5d22d6d0c09c46a05e5f3655fd9a46e28b71e0e4cedc4403fe4a3cf36812d13b023f666b69886e320e64522
ssdeep: 49152:XpqHp6U+iY8GCy/QDSZN9b4SwshxXnF0u:XoJ6U5YN7N9cSwsh
type: PE32 executable (GUI) Intel 80386, for MS Windows
tlsh: T118A5CF3BB248663ED49A0B3245F39660997BFE71A8068C2247F4790DCF7A7701E3A715
sha3_384: 1063a913d0fe154e32348dd0c64dc4adf758cb7c8f35d4b9852166b1ad32e3020404bee11b2b6e2bdff7da1df994d7b8
ep_bytes: 558bec83c4a453565733c08945c48945
timestamp: 2021-08-10 09:44:04

Version Info:

Comments: This installation was built with Inno Setup.
CompanyName: Download Studio Software
FileDescription: Download Studio Setup
FileVersion: 1.16.1.2
LegalCopyright: 2021 (c) Download Studio Software
OriginalFileName:
ProductName: Download Studio
ProductVersion: 1.16.1.2
Translation: 0x0000 0x04b0

Win32/GenCBL.AYU also known as:

LionicRiskware.Win32.DStudio.1!c
K7GWRiskware ( 0040eff71 )
K7AntiVirusRiskware ( 0040eff71 )
CyrenW32/DStudio.B.gen!Eldorado
ESET-NOD32a variant of Win32/GenCBL.AYU
Paloaltogeneric.ml
CynetMalicious (score: 100)
Kasperskynot-a-virus:HEUR:Downloader.Win32.DStudio.gen
NANO-AntivirusTrojan.Win32.DStudio.jbwsse
SophosGeneric Reputation PUA (PUA)
DrWebAdware.Downware.19959
TrendMicroTROJ_GEN.R002C0PKS21
EmsisoftApplication.Downloader (A)
GridinsoftRansom.Win32.Gen.sa
VBA32TScope.Trojan.Delf
MalwarebytesPUP.Optional.DStudio
IkarusTrojan.Win32.Generic
MaxSecureDownloader.Downloader.DStudio.gen_214780
FortinetAdware/DStudio

How to remove Win32/GenCBL.AYU?

Win32/GenCBL.AYU 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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