ProInstall Applications SRL - 12% Detection Rate *

Did you just find a download or a file on your computer that has a digital signature from ProInstall Applications SRL? Some of the security products refers to the detected files as Spigot (fs) and Adware.Downware.11256. The detection rate for the ProInstall Applications SRL files collected here is 12%. Please read on for more details.

You'll probably notice ProInstall Applications SRL when clicking to run the file. The publisher name is displayed as the "Verified publisher" in the UAC dialog as the screenshot shows:

Screenshot where ProInstall Applications SRL appears as the verified publisher in the UAC dialog

You can view the digital signature details for ProInstall Applications SRL with the following steps:

  1. Open up Windows Explorer and locate the ProInstall Applications SRL 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 signed by ProInstall Applications SRL:

Screenshot of the ProInstall Applications SRL certificate

As you can see in the screenshot above, Windows states that "This digital signature is OK". This means that the file has been published by ProInstall Applications SRL and that the file has not been tampered with.

If you click the View Certificate button shown in the screenshot above, you can examine all the details of the certificate, such as when it was issued, who issued the certificate, how long it is valid, and so on. You can also examine the address for ProInstall Applications SRL, such as the street name, city and country.

COMODO RSA Code Signing CA and DigiCert EV Code Signing CA (SHA2) has issued the ProInstall Applications SRL certificates. You can also see the details of the issuer by clicking the View Certificate button shown in the screencap above.

ProInstall Applications SRL Files

These are the ProInstall Applications SRL files I have gathered, thanks to the FreeFixer users.

Detection RatioFile Name
18/57CHK-Mate_Full-59689848.exe
1/56CnetInstaller[1]
6/57CnetInstaller[1]
2/55KMPlayer_3.9.1.130.exe
5/57KMPlayer_3.9.1.132.exe
6/54GeniusVisionNVRCommunitySetup_v877-51057966.exe
14/57JRT-52932920.exe
21/56powerpointviewer_setup-63804302.exe

Scanner and Detection Names

Here is the detection names for the ProInstall Applications SRL files. I have grouped the detection names by each scanner engine. Thanks to VirusTotal for the scan results.

ScannerDetection Names
AVGGeneric.8BF
AVwareSpigot (fs)
Ad-AwareApplication.Downloader.ZN
AgnitumPUA.Downloader!
AhnLab-V3PUP/Win32.ProInstall, PUP/Win32.Downloader, PUP/Win32.WinWrapper
Antiy-AVLRiskWare[Downloader]/NSIS.Agent.xa
ArcabitPUP.Downloader.ProInstall
AviraPUA/WinWrapper.Gen
BitDefenderApplication.Downloader.ZN
BkavW32.HfsAdware.88A5
CAT-QuickHealPUA.Proinstall.Gen
DrWebAdware.Downware.11256, Adware.Downware.9446, Adware.Spigot.26
ESET-NOD32Win32/WinWrapper.J potentially unwanted, Win32/WinWrapper.B potentially unwanted, Win32/Spigot.A
F-SecureApplication.Downloader.ZN
FortinetRiskware/Agent
GDataNSIS.Application.Proinstall.B, Application.Downloader.ZN
K7AntiVirusUnwanted-Program ( 004c26211 )
K7GWUnwanted-Program ( 004c26211 )
Kasperskynot-a-virus:Downloader.NSIS.Agent.xa
MalwarebytesPUP.Optional.Proinstall
McAfee-GW-EditionBehavesLike.Win32.Downloader.lc
MicroWorld-eScanApplication.Downloader.ZN
NANO-AntivirusTrojan.Win32.Agent.dvtoqe
PandaPUP/Multitoolbar
Qihoo-360Malware.QVM06.Gen
SophosProInstall Applications SRL (PUA), Generic PUA JL (PUA)
VIPRESpigot (fs)
ZillyaDownloader.Agent.Win32.275698

* How the Detection Percentage is Calculated

The detection percentage is based on that I've gathered 618 scan results for the ProInstall Applications SRL files. 73 of these scan reports came up with some sort of detection. If you like, you can review the full details of the scan reports by examining the files listed above.

Analysis Details

In the analysis on this page I grouped all certificates where the signer name is set to upper and lower case variants of ProInstall Applications SRL. These are the signer names:

The analysis is done on certificates with the following serial numbers:

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