OUTBROWSE - 27% Detection Rate *
Did you just stumble upon a download or a file on your computer that is digitally signed by OUTBROWSE? Some of the security products refers to the detected files as OutBrowse Revenyou and a variant of Win32/OutBrowse.D. The detection rate for the OUTBROWSE files collected here is 27%. Please read on for more details.
You will typically notice OUTBROWSE 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 view the digital signature details for OUTBROWSE with the following steps:
- Open up Windows Explorer and locate the OUTBROWSE file
- Right-click the file and select Properties
- Click on the Digital Signatures tab
- Click the View Certificate button
Here's a screengrab of a file that has been signed by OUTBROWSE:
As you can see in the screencap above, Windows reports that "This digital signature is OK". This means that the file has been published by OUTBROWSE and that the file has not been tampered with.
If you click the View Certificate button shown in the screencap 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 OUTBROWSE, such as the street name, city and country.
COMODO Code Signing CA 2 and VeriSign Class 3 Code Signing 2010 CA has issued the OUTBROWSE certificates. You can also see the details of the issuer by clicking the View Certificate button shown in the screenshot above.
OUTBROWSE Files
The following are the OUTBROWSE files I have collected, thanks to the FreeFixer users.
| Detection Ratio | File Name |
|---|---|
| 5/51 | instract.exe |
| 8/51 | instrac.exe |
| 11/52 | f.exe |
| 13/45 | free_vlc_player_setup.exe |
| 9/52 | setup.exe |
| 12/51 | install-flashplayer.exe |
| 18/48 | DownloadManager.exe |
| 15/50 | DownloadManager.exe |
| 15/50 | DownloadManager.exe |
| 9/38 | setup (1).exe |
| 8/51 | Player.exe |
| 9/51 | setup.exe |
| 11/51 | f.exe |
| 21/54 | f.exe |
| 14/53 | setup.exe |
| 11/54 | Player.exe |
| 11/54 | setup.exe |
Scanner and Detection Names
Here is the detection names for the OUTBROWSE files. I've grouped the detection names by each scanner engine. Thanks to VirusTotal for the scan results.
| Scanner | Detection Names |
|---|---|
| AVG | MalSign.Generic.853, Generic.853, MalSign.OutBrowse.6F3, OutBrowse.6F3 |
| AVware | OutBrowse (fs) |
| Agnitum | PUA.OutBrowse! |
| AhnLab-V3 | PUP/Win32.OutBrowse |
| AntiVir | APPL/Downloader.Gen |
| Antiy-AVL | Downloader/NSIS.OutBrowse, Trojan/Win32.TSGeneric, Riskware[:not-a-virus]/Win32.OutBrowse.g |
| Baidu-International | Adware.Win32.OutBrowse.45, PUA.Win32.OutBrowse.45, Adware.Win32.OutBrowse.BD, Adware.Win32.OutBrowse.bD |
| Bkav | W32.Clodf05.Trojan.d78b |
| Comodo | Application.Win32.OutBrowse.~B, Application.Win32.OutBrowse.~A, Application.Win32.Outbrowse.G, UnclassifiedMalware |
| DrWeb | Adware.Bho.4027, Adware.Downware.1664, Adware.Downware.2081, Adware.Downware.1676, Adware.Downware.1770 |
| ESET-NOD32 | a variant of Win32/OutBrowse.D, Win32/OutBrowse.D, Win32/OutBrowse.V, Win32/OutBrowse.K, Win32/OutBrowse.AC |
| Fortinet | Riskware/OutBrowse, Riskware/NSIS_OutBrowse, Adware/OutBrowse |
| GData | Win32.Application.OutBrowse.F, Win32.Application.Outbrowse.E |
| Ikarus | not-a-virus:Downloader.NSIS, PUP.OutBrowse |
| K7AntiVirus | Unwanted-Program ( 00454f261 ), Unwanted-Program ( 0040f8191 ) |
| K7GW | Unwanted-Program ( 00454f261 ), Unwanted-Program ( 004942d71 ), Unwanted-Program ( 0040f8191 ) |
| Kaspersky | not-a-virus:Downloader.NSIS.OutBrowse.b, not-a-virus:AdWare.Win32.OutBrowse.h, not-a-virus:AdWare.Win32.OutBrowse.g |
| Kingsoft | Win32.Troj.Generic.a.(kcloud), Win32.Troj.OutBrowse.h.(kcloud) |
| Malwarebytes | PUP.Optional.Smart, PUP.Optional.OutBrowse, PUP.Optional.Outbrowse |
| McAfee | Artemis!87871727EEA8, Adware-OutBrowse, Artemis!5C13F1441A10, Artemis!31A5EC2D13CF, Artemis!DE3863DE0A59 |
| McAfee-GW-Edition | Artemis!87871727EEA8, Adware-OutBrowse, Artemis!5C13F1441A10, Artemis!31A5EC2D13CF, Artemis!DE3863DE0A59 |
| NANO-Antivirus | Trojan.Win32.OutBrowse.crkqqe, Trojan.Win32.Generic.czvgeu, Trojan.Win32.OutBrowse.csrlza, Trojan.Win32.Generic.cthmwf |
| Panda | Trj/Chgt.A |
| Qihoo-360 | Malware.QVM06.Gen |
| Sophos | OutBrowse Revenyou, OutBrowse, Generic PUA FP |
| Symantec | Adware.BL |
| TrendMicro | ADW_DOWNWARE |
| TrendMicro-HouseCall | TROJ_GEN.F47V0408, TROJ_GEN.F47V0422, TROJ_GE.8211A580, TROJ_GEN.F47V1201, TROJ_GEN.F47V0103, TROJ_GEN.F47V1211, TROJ_GE.5C6F1877, TROJ_GE.E733C7B9, TROJ_GEN.F47V0605, ADW_DOWNWARE, Suspici.DEEC039A |
| VBA32 | Downloader.OutBrowse |
| VIPRE | Trojan.Win32.Generic!BT, OutBrowse (fs) |
* How the Detection Percentage is Calculated
The detection percentage is based on the fact that I have gathered 1234 scan reports for the OUTBROWSE files. 336 of these scan results came up with some sort of detection. You can review the full details of the scan reports by examining the files listed above.
Analysis Details
In the analysis on this page I grouped all certificates where the signer name is set to upper and lower case variants of OUTBROWSE. These are the signer names:
- OUTBROWSE
- OutBrowse
The analysis is done on certificates with the following serial numbers:
- 00a5f03c3a375c11fd6c1c160ee8bff923
- 56a6fe571611b68c9224798ad62913ca