UpdateStar GmbH - 11% Detection Rate *
Did you just find a download or a file on your computer that has a digital signature from UpdateStar GmbH? Some of the security products refers to the detected files as Trojan.Win32.Generic!BT and Riskware ( 0049c6851 ). The detection rate for the UpdateStar GmbH files collected here is 11%. Please read on for more details.
You will probably notice UpdateStar GmbH when clicking to run the file. The publisher name is displayed as the "Verified publisher" in the UAC dialog as the screenshot shows:
You can also view the UpdateStar GmbH certificate with the following steps:
- Open up Windows Explorer and locate the UpdateStar GmbH 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 signed by UpdateStar GmbH:
As you can see in the screencap above, Windows states that "This digital signature is OK". This implies that the file has been published by UpdateStar GmbH 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, and so on. You can also examine the address for UpdateStar GmbH, such as the street name, city and country.
COMODO Code Signing CA 2, GlobalSign CodeSigning CA - G2, GlobalSign CodeSigning CA - SHA256 - G2, COMODO RSA Code Signing CA, VeriSign Class 3 Code Signing 2010 CA and UTN-USERFirst-Object has issued the UpdateStar GmbH certificates. You can also view the details of the issuer by clicking the View Certificate button shown in the screencap above.
UpdateStar GmbH Files
These are the UpdateStar GmbH files I've collected, thanks to the FreeFixer users.
| Detection Ratio | File Name |
|---|---|
| 5/55 | appcleaner_setup.exe |
| 6/57 | safari-browser.exe |
| 8/57 | malwarebytes-anti-malware.exe |
| 3/58 | updatestardrivers.exe |
| 4/45 | Dc83.exe |
| 8/50 | vaio-media-gallery.exe |
| 14/53 | ICReinstall_hp-solution-center.exe |
| 10/57 | ICReinstall_win2k_xp14103.exe |
| 0/43 | AppCleaner.exe |
| 0/47 | usdrivers (2).exe |
Scanner and Detection Names
Here's the detection names for the UpdateStar GmbH files. I've grouped the detection names by each scanner engine. Thanks to VirusTotal for the scan results.
| Scanner | Detection Names |
|---|---|
| AVG | Generic.799, Generic.03D, Generic.50E |
| AVware | Trojan.Win32.Generic!BT, InstallCore (fs) |
| AntiVir | ADWARE/InstallCore.Gen7, Adware/InstallCore.OF.91 |
| Antiy-AVL | Trojan/Win32.SGeneric |
| Avira | Adware/InstallCo.zkc |
| Baidu-International | Trojan.MSIL.Agent.aEYn |
| Bkav | W32.HfsAdware.2405 |
| ClamAV | Win.Adware.Installcore-504 |
| DrWeb | Trojan.InstallCore.224, Trojan.InstallCore.1604, Trojan.InstallCore.1919, Adware.InstallCore.113, Trojan.MulDrop5.10078, Trojan.Packed.25266, Trojan.Packed.24524 |
| ESET-NOD32 | a variant of Win32/InstallCore.ZM potentially unwanted, a variant of Win32/InstallCore.ACY.gen potentially unwanted, a variant of Win32/InstallCore.CF, a variant of Win32/Kryptik.BWAM, a variant of Win32/InstallCore.OF, a variant of Win32/InstallCore.WQ potentially unwanted |
| Invincea | trojandownloader.win32.vb.bz |
| K7AntiVirus | Riskware ( 0049c6851 ), Unwanted-Program ( 00495cd51 ), Trojan ( 004b54951 ) |
| K7GW | Riskware ( 0049c6851 ), Unwanted-Program ( 00495cd51 ), Trojan ( 004b54951 ) |
| Malwarebytes | PUP.Optional.InstallCore, PUP.Optional.InstallCore.A |
| McAfee | CryptInno |
| McAfee-GW-Edition | CryptInno |
| Norman | InstallCore.WQDY |
| Qihoo-360 | HEUR/QVM06.1.0000.Malware.Gen, Win32/Virus.Adware.94c, Malware.QVM06.Gen |
| Rising | Malware.Undefined!8.C-4vDN2L5EaUQ (cloud) |
| SUPERAntiSpyware | PUP.InstallCore/Variant |
| Sophos | Mal/Generic-S, Install Core Installer, Install Core Click run software |
| TrendMicro-HouseCall | Suspicious_GEN.F47V1129 |
| VBA32 | Downware.InstallCore |
| VIPRE | Trojan.Win32.Generic!BT, InstallCore (fs), InstallCore.b (fs), Adware.Win32.InstallCore.ba (v) |
* How the Detection Percentage is Calculated
The detection percentage is based on the fact that I've collected 522 scan reports for the UpdateStar GmbH files. 58 of these scan reports came up with some sort of detection. 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:
- 009ed227324380b40dde36c8d31a33831f
- 112124922d3c2654755777eec500c21f7151
- 1121c7585a2f5b2218ec6b36d472ba6496d8
- 00fbadf674bc78e279821fbdf9d937df06
- 71a04d21e9f4bb6e19c3cb7d720e6245
- 4c04d272caaef51d5786ca84d80cfb98
- 2acdb74cea0a72647526f5a80fa98905