Cupuacu Labs - 23% Detection Rate *
Did you just stumble upon a download or a file on your computer that has a digital signature from Cupuacu Labs? Some of the security products refers to the detected files as Generic.4D9 and PUP.Optional.Shopperz.BrwsrFlsh. The detection rate for the Cupuacu Labs files collected here is 23%. Please read on for more details.
You'll probably notice Cupuacu Labs when clicking to run the file. The publisher name is then displayed as the "Verified publisher" in the UAC dialog as the screenshot shows:
You can view the digital signature details for Cupuacu Labs with the following steps:
- Open Windows Explorer and locate the Cupuacu Labs file
- Right-click the file and select Properties
- Click the Digital Signatures tab
- Click the View Certificate button
Here is a screenshot of a file that has been signed by Cupuacu Labs:
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 Cupuacu Labs and that no one has tampered with the file.
If you click the View Certificate button shown in the screengrab 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 examine the address for Cupuacu Labs, such as the street name, city and country.
GlobalSign CodeSigning CA - G2 has issued the Cupuacu Labs certificates. You can also see the details of the issuer by clicking the View Certificate button shown in the screenshot above.
Cupuacu Labs Files
The following are the Cupuacu Labs files I've gathered, thanks to the FreeFixer users.
| Detection Ratio | File Name |
|---|---|
| 21/57 | cherimoya.sys |
| 6/57 | bsdriver.sys |
| 8/57 | cherimoya.sys |
| 13/57 | bsdriver.sys |
| 16/57 | Sfval.exe |
| 15/57 | bsdriver.sys |
| 17/54 | bsdriver.sys |
| 25/55 | cherimoya.sys |
| 20/56 | bsdriver.sys |
| 17/57 | bsdriver.sys |
| 18/57 | Tuejet.exe |
| 8/57 | Ideie.exe |
| 8/57 | cherimoya.sys |
| 7/56 | bsdriver.sys |
| 1/57 | bsdriver.sys |
Scanner and Detection Names
Here is the detection names for the Cupuacu Labs files. I have grouped the detection names by each scanner engine. Thanks to VirusTotal for the scan results.
| Scanner | Detection Names |
|---|---|
| ALYac | Adware.NetFilter.X |
| AVG | Generic.4D9 |
| AVware | NetFilter (fs), Trojan.Win32.Generic!BT, NetFilter |
| Ad-Aware | Adware.NetFilter.X, Application.WebWatcher.H |
| Antiy-AVL | Trojan/Win32.TSGeneric, Trojan/Win32.BTSGeneric |
| Arcabit | PUP.Adware.Cupuacu.ecb, PUP.Adware.Cupuacu.eca, PUP.Adware.Cupuacu, PUP.Adware.Cupuacu.ebn |
| Avast | Win32:Malware-gen |
| Avira | APPL/ShopperZ.fkei |
| Baidu-International | Hacktool.Win64.NetFilter.A, PUA.Win32.Perion.N |
| BitDefender | Adware.NetFilter.X, Application.WebWatcher.H |
| Bkav | W64.HfsAdware.C501, W32.HfsAdware.C501 |
| ClamAV | Win.Adware.Webwatcher |
| Cyren | W64/S-da439d85!Eldorado, W32/S-eb03eabd!Eldorado, W64/Application.VKXG-1078 |
| DrWeb | Adware.Shopper.989 |
| ESET-NOD32 | a variant of Win64/NetFilter.A potentially unsafe, a variant of Win32/Toolbar.Perion.N potentially unwanted, a variant of Win64/Toolbar.Perion.K potentially unwanted |
| Emsisoft | Adware.NetFilter.X (B) |
| F-Prot | W32/S-eb03eabd!Eldorado, W64/S-da439d85!Eldorado |
| F-Secure | Adware.NetFilter.X, Application.WebWatcher.H |
| Fortinet | Adware/NetFilter, Riskware/Perion |
| GData | Adware.NetFilter.X, Application.WebWatcher.H |
| Ikarus | AdWare.NetFilter, PUA.WebWatcher |
| Jiangmin | Adware/Agent.bbrl |
| K7AntiVirus | Unwanted-Program ( 004b8fe91 ), Adware ( 004c2cf11 ) |
| K7GW | Unwanted-Program ( 004b8fe91 ), Adware ( 004c2cf11 ) |
| Kaspersky | not-a-virus:AdWare.Win32.Dagava.e |
| Malwarebytes | PUP.Optional.Shopperz.BrwsrFlsh, PUP.Optional.Shopperz.A |
| McAfee | Artemis!A796336F771E, Artemis!565C25B5225A, Artemis!91243F52A97C, Artemis!B89EF136E5F4 |
| McAfee-GW-Edition | Artemis, Artemis!Trojan, BehavesLike.Win64.PUP.qh, BehavesLike.Win64.Suspicious.qh |
| MicroWorld-eScan | Adware.NetFilter.X, Application.WebWatcher.H |
| NANO-Antivirus | Riskware.Win32.Shopper.dswzmf |
| Panda | Trj/Genetic.gen |
| Qihoo-360 | HEUR/QVM10.1.Malware.Gen |
| SUPERAntiSpyware | PUP.Cherimoya/Variant |
| Sophos | Generic PUA IO (PUA) |
| Symantec | Trojan.Gen.2, PUA.Gen.4, Adware.Gen |
| VIPRE | NetFilter (fs), Trojan.Win32.Generic!BT, NetFilter |
| Zillya | Adware.ConvertAd.Win32.9359 |
| nProtect | Adware.NetFilter.X |
* How the Detection Percentage is Calculated
The detection percentage is based on the fact that I have gathered 1440 scan reports for the Cupuacu Labs files. 334 of these scan reports came up with some sort of detection. If you like, you can view 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:
- 1121e5400af5240a319554c96e141db2fd58