kozaka - 12% Detection Rate *
Did you just find a download or a file on your computer that is digitally signed by kozaka? Some of the security products refers to the detected files as Adware.SwiftBrowse.CH and PUP.Optional.Kozaka.A. The detection rate for the kozaka files collected here is 12%. Please read on for more details.
You will typically notice kozaka when double-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 additional details from the kozaka digital signature with the following procedure:
- Open up Windows Explorer and locate the kozaka file
- Right-click on the file and select Properties
- Click the Digital Signatures tab
- Click on the View Certificate button
Here's a screenshot of a file that has been digitally signed by kozaka:
As you can see in the screenshot above, Windows reports that "This digital signature is OK". This implies that the file has been published by kozaka and that no one has tampered with the file.
If you click the View Certificate button shown in the screenshot above, you can view 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 see the address for kozaka, such as the street name, city and country.
VeriSign Class 3 Code Signing 2010 CA has issued the kozaka certificates. You can also view the details of the issuer by clicking the View Certificate button shown in the screenshot above.
kozaka Files
The following are the kozaka files I've gathered, thanks to the FreeFixer users.
| Detection Ratio | File Name |
|---|---|
| 2/47 | Kozakabho.dll |
| 6/47 | updateKozaka.exe |
| 2/49 | {ce2cc6b9-0133-4405-9775-8944501dc17c}gw64.sys |
| 16/55 | {65217d1c-a340-48ea-99be-4768eb841e46}w64.sys.vir |
| 5/51 | updateKozaka.exe |
| 5/51 | updateKozaka.exe |
Scanner and Detection Names
Here's the detection names for the kozaka files. I have grouped the detection names by each scanner engine. Thanks to VirusTotal for the scan results.
| Scanner | Detection Names |
|---|---|
| ALYac | Adware.SwiftBrowse.CH |
| AVG | Generic.F01 |
| AVware | Trojan.Win32.Generic!BT |
| Ad-Aware | Adware.SwiftBrowse.CH |
| Agnitum | Riskware.Agent! |
| AhnLab-V3 | PUP/Win32.Downloader |
| Avast | Win32:Malware-gen, Win32:Kozak-A [Adw] |
| Baidu-International | Adware.Win32.BrowseFox.H |
| BitDefender | Adware.SwiftBrowse.CH |
| ClamAV | Win.Adware.Swiftbrowse-497 |
| DrWeb | Tool.NetFilter.313 |
| ESET-NOD32 | a variant of Win32/BrowseFox.G, a variant of Win64/BrowseFox.CG, a variant of Win32/BrowseFox.H |
| Emsisoft | Dropped:Adware.Generic.659949 (B) |
| F-Prot | W64/A-59c9c70a!Eldorado |
| F-Secure | Adware.SwiftBrowse.CH |
| GData | Adware.SwiftBrowse.CH |
| Kingsoft | Win32.Troj.Generic.a.(kcloud) |
| Malwarebytes | PUP.Optional.Kozaka.A |
| McAfee | Artemis!8E204CFA278C |
| McAfee-GW-Edition | Artemis!8E204CFA278C |
| MicroWorld-eScan | Adware.SwiftBrowse.CH |
| Sophos | BrowseSmart |
| TrendMicro-HouseCall | TROJ_GEN.F47V1110, TROJ_GEN.F47V0130 |
| VIPRE | Yontoo (fs), Trojan.Win32.Generic!BT |
| Zillya | Adware.Yotoon.Win64.14 |
| nProtect | Adware.SwiftBrowse.CH |
* How the Detection Percentage is Calculated
The detection percentage is based on that I have collected 300 scan results for the kozaka files. 36 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
The analysis has been done on certificates with the following serial numbers:
- 1b38c0b5b092b91bc43eb30dcf78b962
- 7390f09118e60db1f1fdfffc9efed735