Oleh Aleksyuk - 26% Detection Rate *

Did you just stumble upon a download or a file on your computer that has been digitally signed by Oleh Aleksyuk? Some of the security products refers to the detected files as Trojan.Downloader.JRBX and Gen:Heur.Conjar.1. The detection rate for the Oleh Aleksyuk files collected here is 26%. Please read on for more details.

You will probably notice Oleh Aleksyuk when running the file. The publisher name is displayed as the "Verified publisher" in the UAC dialog as the screenshot shows:

Screenshot where Oleh  Aleksyuk appears as the verified publisher in the UAC dialog

You can view the additional details from the Oleh Aleksyuk digital signature with the following steps:

  1. Open Windows Explorer and locate the Oleh Aleksyuk file
  2. Right-click the file and select Properties
  3. Click on the Digital Signatures tab
  4. Click the View Certificate button

Here's a screenshot of a file digitally signed by Oleh Aleksyuk:

Screenshot of the Oleh  Aleksyuk certificate

As you can see in the screenshot above, the Windows OS reports that "This digital signature is OK". This means that the file has been published by Oleh Aleksyuk and that the file has not been tampered with.

If you click the View Certificate button shown in the screencap above, you can see all the details of the certificate, such as when it was issued, who issued the certificate, how long it is valid, etc. You can also view the address for Oleh Aleksyuk, such as the street name, city and country.

Certum Code Signing CA has issued the Oleh Aleksyuk certificates. You can also examine the details of the issuer by clicking the View Certificate button shown in the screengrab above.

Oleh Aleksyuk Files

The following are the Oleh Aleksyuk files I have collected, thanks to the FreeFixer users.

Detection RatioFile Name
11/55f_00097f
16/548991F6.exe
13/559d1d3e6ff6e68.exe
1/53[share_ebook] MediaWiki Administrators' Tutorial Guide [ReUpload].exe
20/55{1B0FA784-C976-40D6-89C5-9EEB4B61D248}
18/55czech_hunter_107_myvidster.rar.exe
19/55785dC0e7ae.exe

Scanner and Detection Names

Here is the detection names for the Oleh Aleksyuk files. I've grouped the detection names by each scanner engine. Thanks to VirusTotal for the scan results.

ScannerDetection Names
AVGGeneric.CE5, Generic_r.VD, Generic5.BGCS, Generic5.BLIG, Generic5.CLNT
AVwareTrojan.Win32.Generic!BT
Ad-AwareGen:Heur.Conjar.1, Gen:Variant.Strictor.62288, Trojan.Downloader.JRBX
AegisLabTroj.W32.Gen
AgnitumPUA.MultiPlug!
AhnLab-V3PUP/Win32.MultiPlug
AntiVirAdware/MultiPlug.bfp
Antiy-AVLGrayWare[AdWare:not-a-virus]/Win32.MultiPlug.nbjr, Trojan/Win32.TSGeneric
AvastWin32:MultiPlug-MH [PUP]
AviraAdware/MultiPlug.bfp
BitDefenderGen:Heur.Conjar.1, Gen:Variant.Strictor.62288, Trojan.Downloader.JRBX
ComodoApplication.Win32.MultiPlug.YX, Application.Win32.Multiplug.CT, Application.Win32.GreenApp.RR
DrWebTrojan.WebPick.2938
ESET-NOD32a variant of Win32/AdWare.MultiPlug.CT, a variant of Win32/AdWare.MultiPlug.BS, a variant of Win32/AdWare.MultiPlug.CN, a variant of Win32/Adware.MultiPlug.DN
EmsisoftGen:Heur.Conjar.1 (B), Gen:Variant.Strictor.62288 (B), Trojan.Downloader.JRBX (B)
F-ProtW32/A-2ecf8f70!Eldorado
F-SecureGen:Heur.Conjar.1, Gen:Variant.Strictor.62288, Trojan.Downloader.JRBX
GDataGen:Heur.Conjar.1, Win32.Adware.Multiplug.K, Gen:Variant.Strictor.62288, Trojan.Downloader.JRBX
Ikarusnot-a-virus:AdWare.MultiPlug
K7AntiVirusUnwanted-Program ( 0040f9181 )
K7GWUnwanted-Program ( 0040f9181 )
Kasperskynot-a-virus:AdWare.Win32.MultiPlug.nbqr, not-a-virus:AdWare.Win32.MultiPlug.nbjr
KingsoftWin32.TrojDownloader.JRBX.v.(kcloud)
MalwarebytesTrojan.Agent.FKGen, PUP.Optional.MultiPlug, PUP.Optional.Multiplug, PUP.Optional.Unizeto
McAfeeMultiPlug-FRO, MultiPlug, MultiPlug-FSS
McAfee-GW-EditionBehavesLike.Win32.Expiro.cc, BehavesLike.Win32.CryptDoma.dc
MicroWorld-eScanGen:Heur.Conjar.1, Gen:Variant.Strictor.62288, Trojan.Downloader.JRBX
NANO-AntivirusRiskware.Win32.MultiPlug.dfjscb, Riskware.Win32.MultiPlug.ddytwh, Trojan.Win32.XPACK.devptt, Trojan.Win32.WebPick.diwplr
PandaPUP/TSUploader
SophosMultiPlug
VBA32SScope.Adware.MultiPlug, Signed-Adware.MultiPlug
VIPRETrojan.Win32.Generic!BT
ZillyaAdware.MultiPlug.Win32.85
nProtectTrojan.Downloader.JRBX

* How the Detection Percentage is Calculated

The detection percentage is based on the fact that I have gathered 382 scan reports for the Oleh Aleksyuk files. 98 of these scan results came up with some sort of detection. If you like, you can review the full details of the scan results by examining the files listed above.

Analysis Details

The analysis has been done on certificates with the following serial numbers:

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