CBS Interactive - 6% Detection Rate *
Did you just run into a download or a file on your computer that is digitally signed by CBS Interactive? Some of the security products refers to the detected files as a variant of Win32/CNETInstaller.B and Adware.Downware.130. The detection rate for the CBS Interactive files collected here is 6%. Please read on for more details.
You will probably see CBS Interactive when clicking to run the file. The publisher name shows up as the "Verified publisher" in the UAC dialog as the screenshot shows:
You can view the digital signature details for CBS Interactive with the following steps:
- Open up Windows Explorer and locate the CBS Interactive file
- Right-click on the file and select Properties
- Click the Digital Signatures tab
- Click on the View Certificate button
Here is a screenshot of a file that has been digitally signed by CBS Interactive:
As you can see in the screenshot above, Windows states that "This digital signature is OK". This implies that the file has been published by CBS Interactive and that the file has not been tampered with.
If you click the View Certificate button shown in the screenshot 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 see the address for CBS Interactive, such as the street name, city and country.
VeriSign Class 3 Code Signing 2010 CA has issued the CBS Interactive certificates. You can also see the details of the issuer by clicking the View Certificate button shown in the screenshot above.
CBS Interactive Files
The following are the CBS Interactive files I have gathered, thanks to the FreeFixer users.
Scanner and Detection Names
Here is the detection names for the CBS Interactive files. I have grouped the detection names by each scanner engine. Thanks to VirusTotal for the scan results.
| Scanner | Detection Names |
|---|---|
| AVware | Cnet AdInstaller (fs) |
| AhnLab-V3 | PUP/Win32.Downloader |
| Antiy-AVL | Trojan/win32.agent.gen, GrayWare[AdWare:not-a-virus]/Win32.Inffinity |
| Avast | Win32:InstallCore-AM [PUP] |
| Baidu-International | Trojan.Win32.DownloadAdmin.E |
| ByteHero | Trojan.Backdoor.Gen.a |
| CMC | Packed.Win32.Toggaf.7!O |
| ClamAV | Adware.Downloader-207 |
| Commtouch | W32/InstallCore.B |
| DrWeb | Adware.Downware.2525, Adware.Downware.398, Adware.Downware.1406, Adware.Downware.2189, Adware.Downware.762, Adware.Downware.1699, Adware.Downware.130, Adware.Downware.3017, Adware.InstallCore.8, Adware.Downware.1137, Adware.Downware.1900 |
| ESET-NOD32 | a variant of Win32/CNETInstaller.B, Win32/DownloadAdmin.G, probably a variant of Win32/CNETInstaller.A, Win32/DownloadAdmin.E, a variant of Win32/Toolbar.Widgi, a variant of Win32/InstallCore.D |
| Emsisoft | Riskware.Win32.InstallCore.AMN!A2, Trojan.Win32.InstallCore.AMN!A2 |
| F-Prot | W32/InstallCore.B, W32/InstallCore.I.gen!Eldorado |
| Fortinet | Riskware/CNETInstaller |
| K7AntiVirus | Trojan ( 0048c0c01 ), Unwanted-Program |
| K7GW | Trojan ( 0048c0c01 ) |
| Kaspersky | not-a-virus:HEUR:WebToolbar.Win32.InstallCore.gen |
| Kingsoft | Win32.Troj.Generic.a.(kcloud) |
| McAfee | Artemis!3A41815E8B51, Artemis!7166AC6A6371, Artemis!5F73ED0AFE31, Artemis!5A275A569DCE |
| McAfee-GW-Edition | Artemis!3A41815E8B51, Artemis!7166AC6A6371, Artemis!5F73ED0AFE31, Artemis!5A275A569DCE |
| MicroWorld-eScan | Win32/DownloadAdmin.D (ES), Win32/DownloadAdmin.E (ES) |
| NANO-Antivirus | Trojan.Win32.InstallCore.ssxuk |
| NOD32 | a variant of Win32/InstallCore.D |
| Rising | PE:Malware.XPACK/RDM!5.1, Suspicious |
| SUPERAntiSpyware | PUP.CNETInstaller |
| TrendMicro-HouseCall | TROJ_GEN.F47V0408, Suspicious_GEN.F47V0728, TROJ_GEN.F47V1223 |
| VBA32 | WebToolbar.InstallCore.gen, WebToolbar.InstallCore |
| VIPRE | Opencandy (fs), WebInstall (fs), Cnet AdInstaller (fs) |
| eSafe | Win32.Trojan, Win32.InstallCore.D |
* How the Detection Percentage is Calculated
The detection percentage is based on the fact that I've gathered 1662 scan results for the CBS Interactive files. 94 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 is based on certificates with the following serial numbers:
- 4e4ba2ee1f4c2b3d88be589da3471167
- 071a760107b4de793cd48c0eda1df0b5