Install Assistant - 40% Detection Rate *
Did you just stumble upon a download or a file on your computer that is digitally signed by Install Assistant? Some of the security products refers to the detected files as Gen:Trojan.Heur.JP.9u0@aaOGzrmi and Adware ( 004b87ba1 ). The detection rate for the Install Assistant files collected here is 40%. Please read on for more details.
You'll probably notice Install Assistant when running 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 Install Assistant with the following procedure:
- Open up Windows Explorer and locate the Install Assistant file
- Right-click 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 signed by Install Assistant:
As you can see in the screencap above, the Windows OS reports that "This digital signature is OK". This means that the file has been published by Install Assistant and that no one has tampered with the file.
If you click the View Certificate button shown in the screencap 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 see the address for Install Assistant, such as the street name, city and country.
Symantec Class 3 SHA256 Code Signing CA has issued the Install Assistant certificates. You can also view the details of the issuer by clicking the View Certificate button shown in the screenshot above.
Install Assistant Files
The following are the Install Assistant files I've collected, thanks to the FreeFixer users.
| Detection Ratio | File Name |
|---|---|
| 23/58 | SoftwareUpdater2015.exe |
Scanner and Detection Names
Here's the detection names for the Install Assistant files. I've grouped the detection names by each scanner engine. Thanks to VirusTotal for the scan results.
| Scanner | Detection Names |
|---|---|
| AVG | Generic.DB0 |
| AVware | DownloadAssistant (fs) |
| Ad-Aware | Gen:Trojan.Heur.JP.9u0@aaOGzrmi |
| Agnitum | Riskware.Agent! |
| Avira | PUA/DownloadAssistant.Gen4 |
| Bkav | W32.HfsAdware.45F1 |
| CAT-QuickHeal | PUA.Installass.Gen |
| DrWeb | Trojan.Vittalia.1474 |
| ESET-NOD32 | a variant of Win32/DownloadAssistant.C potentially unwanted |
| GData | Win32.Adware.DownloadAssistant.F |
| Ikarus | PUA.DownloadAssistant |
| K7AntiVirus | Adware ( 004b87ba1 ) |
| K7GW | Adware ( 004b87ba1 ) |
| Kaspersky | not-a-virus:HEUR:Downloader.Win32.DownloadAsist.gen |
| Malwarebytes | PUP.Optional.DownloadAssistant |
| McAfee-GW-Edition | BehavesLike.Win32.Suspicious.th |
| MicroWorld-eScan | Gen:Trojan.Heur.JP.9u0@aaOGzrmi |
| NANO-Antivirus | Trojan.Win32.DownloadAsist.dzwscy |
| Qihoo-360 | HEUR/QVM07.1.0000.Malware.Gen |
| Rising | PE:Trojan.Assistant!1.A3BC [F] |
| VBA32 | suspected of Malware-Cryptor.FSP.gen |
| VIPRE | DownloadAssistant (fs) |
| Zillya | Trojan.DownloadAssistant.Win32.2675 |
* How the Detection Percentage is Calculated
The detection percentage is based on the fact that I've gathered 58 scan reports for the Install Assistant files. 23 of these scan results came up with some sort of detection. If you like, you can view 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:
- 08e92e5c80ad2907c83d98eded9100d6