Perion Network Ltd. - 5% Detection Rate *

Did you just run into a download or a file on your computer that has been digitally signed by Perion Network Ltd.? Some of the security products refers to the detected files as a variant of Win32/Toolbar.Perion.G and not-a-virus:WebToolbar.Win32.Perinet.d. The detection rate for the Perion Network Ltd. files collected here is 5%. Please read on for more details.

You will typically see Perion Network Ltd. when clicking to run the file. The publisher name shows up as the "Verified publisher" in the UAC dialog as the screenshot shows:

Screenshot where Perion Network Ltd. appears as the verified publisher in the UAC dialog

You can also view the Perion Network Ltd. certificate with the following steps:

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

Here's a screengrab of a file that has been digitally signed by Perion Network Ltd.:

Screenshot of the Perion Network Ltd. certificate

As you can see in the screengrab above, the Windows OS states that "This digital signature is OK". This implies that the file has been published by Perion Network Ltd. and that no one has tampered with the file.

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 view the address for Perion Network Ltd., such as the street name, city and country.

VeriSign Class 3 Code Signing 2010 CA has issued the Perion Network Ltd. certificates. You can also examine the details of the issuer by clicking the View Certificate button shown in the screenshot above.

Perion Network Ltd. Files

These are the Perion Network Ltd. files I have gathered, thanks to the FreeFixer users.

Detection RatioFile Name
1/47dmwu.exe
1/54dnkt.exe
3/47wssetup.exe
4/48SkywalkerSetup[1].exe
3/48dmwu.exe
1/47dmwu.exe
1/48dmwu.exe
1/47stij.exe
3/51dmwu.exe
1/51wrtc.exe
4/48wrtc.exe
3/46dmwu.exe
2/48SkywalkerSetup[2].exe
1/47dmwu.exe
3/46wrtc.exe
8/56wrtc.exe
2/47stij.exe
1/48dmwu.exe
5/57dmwu.exe
22/57dnkt.exe
24/57dmwu.exe
4/55ImImprtRU.dll
8/54dmwu.exe
3/48wrtc.exe
1/46wrtc.exe
1/48stij.exe
3/48wrtc.exe
1/49stij.exe
5/53nsib.dll
2/46dmwu.exe
4/47SKSetup.exe
1/49dmwu.exe
3/48stij.exe
5/50SKSetup.exe
7/51dmwu.exe
4/55dmwu.exe
1/55ImWrappU.dll
5/55dmwu.exe
13/57nsib.dll
3/56ImApp.exe
4/65ImApp.exe
1/47dmwu.exe
1/48wrtc.exe
1/46wrtc.exe
1/46dmwu.exe
1/45wrtc.exe
1/48SKSetup.exe
10/51dmwu.exe
2/54dnkt.exe
3/53dnkt.exe
7/54Revo_Uninstaller_TSV39P2PI.exe
0/46wrtc.exe
0/48stij.exe
0/53ImSetup.exe
0/48IncMail.exe

Scanner and Detection Names

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

ScannerDetection Names
AVwareTrojan.Win32.Generic!BT
AgnitumPUA.Toolbar.Perinet!, PUA.Toolbar.Perion!
AhnLab-V3Win-AppCare/Webtoolbar.3423672
Antiy-AVLGrayWare[WebToolbar:not-a-virus]/Win32.Perinet.d, RiskWare[WebToolbar:not-a-virus]/Win32.Perinet, RiskWare[WebToolbar:not-a-virus]/Win32.Perion
ArcabitAdware.B9CDB60, PUP.WebToolbar.Perion, PUP.WebToolbar.Perion.ebi
AvastWin32:PUP-gen [PUP]
AviraAdware/Agent.638256
Baidu-InternationalTrojan.Win32.StartPage.45, Adware.Win32.Perion.81, PUA.Win32.Toolbar.71, Adware.Win32.Perinet.aEd, Adware.Win32.Perinet.d, PUA.Win32.Perinet.aaa, Adware.Win32.Perinet.AaRc, Adware.Win32.Perinet.ai, PUA.Win32.Perion.H, Adware.Win32.Conduit.BAE
BkavW32.HfsAdware.2C4D
ByteHeroTrojan.Malware.Obscu.Gen.006
CyrenW32/WebToolbar.PBVD-3355, W32/WebToolbar.QOUZ-0407
DrWebAdware.SweetIM.28, Adware.SweetIM.27, Adware.IncrediMail.14, Adware.Downware.1895
ESET-NOD32a variant of Win32/Toolbar.Perion.G, Win32/SweetIM.E, Win32/SweetIM.G, a variant of Win32/Toolbar.Perion.H, a variant of Win32/Toolbar.Perion.H potentially unwanted, Win32/Toolbar.Perion.G, Win32/Toolbar.Conduit.AE
F-ProtW32/WebToolbar.A, W32/WebToolbar.C
FortinetRiskware/Perinet, Riskware/Perion, Riskware/Toolbar_Conduit
GDataWin32.Adware.Perion.B, Win32.Application.Iminent.H, Win32.Application.Agent.5TY381
K7AntiVirusTrojan ( 004afce01 ), Trojan ( 004afc7c1 ), Unwanted-Program ( 00454f261 )
K7GWTrojan ( 004afce01 ), Trojan ( 004afc7c1 ), Unwanted-Program ( 00454f261 )
Kasperskynot-a-virus:WebToolbar.Win32.Perinet.d, not-a-virus:WebToolbar.Win32.Perion.a
KingsoftWin32.Troj.Generic.a.(kcloud), Win32.Troj.Perinet.d.(kcloud)
MalwarebytesPUP.Optional.InstallBrain.A, PUP.Optional.Perion, PUP.Optional.Sweetpacks, PUP.Optional.Conduit
McAfeeArtemis!B2CF341204E5, Artemis!18ED81DDC13A, Artemis!BCD9AFF5F895, Artemis!76117C651FAE, Artemis!CF8375EEACCE, Artemis!3B8246807D35
McAfee-GW-EditionArtemis, Artemis!PUP, Artemis!3B8246807D35
MicrosoftPUA:Win32/Perion
NANO-AntivirusTrojan.Win32.WebToolbar.degcwo, Trojan.Win32.WebToolbar.degcvx
PandaTrj/Genetic.gen, Trj/Chgt.G, Trj/Chgt.E, Generic Suspicious, Trj/Chgt.C
Qihoo-360Win32/Virus.WebToolbar.2ea
SophosGeneric PUA PC, Generic PUA JM, Generic PUA DE, Generic PUA II
SymantecPerionInstaller
TencentTrojan.Win32.YY.Gen.1, Trojan.Win32.YY.Gen.2
TrendMicro-HouseCallTROJ_GEN.F47V0928, TROJ_GEN.F47V1004, TROJ_GEN.F47V0408, TROJ_GEN.F47V1005, TROJ_GEN.F47V1018, Suspicious_GEN.F47V0106, Suspicious_GEN.F47V1006, TROJ_GEN.F47V0917, TROJ_GEN.F47V1020, TROJ_GEN.F47V0225, TROJ_GE.3929168B, TROJ_GEN.F47V0530
VIPRESweetpacks/SweetIM (fs) (not malicious), Trojan.Win32.Generic!BT, Conduit (fs)
ZillyaAdware.Perinet.Win32.176, Adware.Perinet.Win32.187, Worm.VBNA.Win32.259585

* How the Detection Percentage is Calculated

The detection percentage is based on that I've collected 9110 scan results for the Perion Network Ltd. files. 428 of these scan results 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

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

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