Spring Smart - 13% Detection Rate *
Did you just find a download or a file on your computer that has a digital signature from Spring Smart? Some of the security products refers to the detected files as PUP.Optional.SpringSmart.A and Yontoo (fs). The detection rate for the Spring Smart files collected here is 13%. Please read on for more details.
You will probably notice Spring Smart when clicking to run the file. The publisher name is then displayed as the "Verified publisher" in the UAC dialog as the screengrab shows:
You can view the additional details from the Spring Smart digital signature with the following steps:
- Open up Windows Explorer and locate the Spring Smart file
- Right-click the file and select Properties
- Click on the Digital Signatures tab
- Click on the View Certificate button
Here's a screenshot of a file signed by Spring Smart:
As you can see in the screenshot above, the Windows OS states that "This digital signature is OK". This implies that the file has been published by Spring Smart 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, etc. You can also view the address for Spring Smart, such as the street name, city and country.
VeriSign Class 3 Code Signing 2010 CA has issued the Spring Smart certificates. You can also examine the details of the issuer by clicking the View Certificate button shown in the screenshot above.
Spring Smart Files
The following are the Spring Smart files I've collected, thanks to the FreeFixer users.
| Detection Ratio | File Name |
|---|---|
| 2/48 | SpringSmartBHO.dll |
| 3/47 | SpringSmartbho.dll |
| 21/51 | SpringSmartBHO.dll |
| 0/48 | SpringSmart.FFUpdate.dll |
Scanner and Detection Names
Here's the detection names for the Spring Smart files. I've grouped the detection names by each scanner engine. Thanks to VirusTotal for the scan results.
| Scanner | Detection Names |
|---|---|
| Agnitum | PUA.Agent! |
| Antiy-AVL | GrayWare[AdWare:not-a-virus]/Win32.Agent |
| Baidu-International | Adware.Win32.Agent.aypy |
| Comodo | Application.Win32.Altbrowse.AK |
| DrWeb | Trojan.BPlug.28 |
| ESET-NOD32 | a variant of Win32/BrowseFox.F |
| Fortinet | Adware/Agent |
| Ikarus | not-a-virus:AdWare.Win32.Agent |
| Jiangmin | Adware/Agent.jaw |
| K7AntiVirus | Unwanted-Program ( 00454f261 ) |
| K7GW | Unwanted-Program ( 00454f261 ) |
| Kaspersky | not-a-virus:AdWare.Win32.Agent.ahbx |
| Kingsoft | Win32.Troj.Agent.ah.(kcloud) |
| Malwarebytes | PUP.Optional.SpringSmart.A |
| McAfee | Artemis!62F5E8FCF4FA |
| McAfee-GW-Edition | Artemis!62F5E8FCF4FA |
| NANO-Antivirus | Riskware.Win32.Agent.cqvnby |
| SUPERAntiSpyware | Adware.BrowseFox/Variant |
| Sophos | Generic PUA CB |
| TrendMicro-HouseCall | TROJ_GEN.F47V0301 |
| VIPRE | Yontoo (fs) |
* How the Detection Percentage is Calculated
The detection percentage is based on that I've gathered 194 scan reports for the Spring Smart files. 26 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:
- 5d69fd87a1bcecdb8891f45f148e34e2