PayByAds ltd. - 36% Detection Rate *
Did you just stumble upon a download or a file on your computer that has a digital signature from PayByAds ltd.? Some of the security products refers to the detected files as Montiera (fs) and PayByAds. The detection rate for the PayByAds ltd. files collected here is 36%. Please read on for more details.
You will probably notice PayByAds ltd. when running 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 PayByAds ltd. with the following steps:
- Open up Windows Explorer and locate the PayByAds ltd. file
- Right-click on the file and select Properties
- Click on the Digital Signatures tab
- Click on the View Certificate button
Here's a screenshot of a file that has been signed by PayByAds ltd.:
As you can see in the screencap above, Windows states that "This digital signature is OK". This means that the file has been published by PayByAds ltd. 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 see the address for PayByAds ltd., such as the street name, city and country.
COMODO Code Signing CA 2 has issued the PayByAds ltd. certificates. You can also see the details of the issuer by clicking the View Certificate button shown in the screengrab above.
PayByAds ltd. Files
These are the PayByAds ltd. files I've gathered, thanks to the FreeFixer users.
| Detection Ratio | File Name |
|---|---|
| 14/55 | dsrsetup.exe |
| 24/54 | dsrlte.exe |
| 7/55 | pricehorse.exe |
| 8/55 | playsetup.exe |
| 17/55 | onlysearch.exe |
| 29/55 | dsrlte.exe |
| 26/54 | dsrsetup.exe |
| 32/57 | pricehorse.exe |
| 19/56 | playsetup.exe |
| 23/55 | onlysearch.exe |
Scanner and Detection Names
Here's the detection names for the PayByAds ltd. files. I have grouped the detection names by each scanner engine. Thanks to VirusTotal for the scan results.
| Scanner | Detection Names |
|---|---|
| ALYac | Adware.PayByAds.A |
| AVG | Paybyads.893 |
| AVware | Montiera (fs) |
| Ad-Aware | Gen:Variant.Strictor.64185, Adware.PayByAds.A |
| Antiy-AVL | RiskWare[Downloader:not-a-virus]/Win32.Montiera, GrayWare[AdWare:not-a-virus]/Win32.Buen |
| Avira | Adware/Agent.Montiera.Q, Adware/Agent.Montiera.R, ADWARE/Adware.Gen7, Adware/buen.532360, Adware/Agent.Montiera.Q.1 |
| Baidu-International | Hacktool.Win32.Montiera.aU, PUA.Win32.Montiera.BL, PUA.Win32.Montiera.bL, Hacktool.Win32.Montiera.aO, Adware.Win32.Buen.aLfr, Hacktool.Win32.Montiera.aJm |
| BitDefender | Gen:Variant.Strictor.64185, Adware.PayByAds.A |
| Bkav | W32.HfsAdware.3CC6, W32.PaybyAds.02.Adware |
| CAT-QuickHeal | Downloader.Montiera.r5 (Not a Virus) |
| Comodo | ApplicUnwnt |
| DrWeb | Adware.Downware.9471 |
| ESET-NOD32 | a variant of Win32/Toolbar.Montiera.Q, a variant of Win32/Toolbar.Montiera.L, a variant of Win32/Toolbar.Montiera.R |
| Emsisoft | Gen:Variant.Strictor.64185 (B), Adware.PayByAds.A (B) |
| F-Secure | Gen:Variant.Strictor.64185, Adware.PayByAds.A |
| Fortinet | Riskware/Montiera |
| GData | Gen:Variant.Strictor.64185, Adware.PayByAds.A |
| Ikarus | PUA.OnlySearch, not-a-virus:Downloader.Montiera |
| K7AntiVirus | Riskware ( 0049c6851 ), Trojan ( 004afb7f1 ), Trojan ( 004a07831 ), Trojan ( 004afc581 ) |
| K7GW | Riskware ( 0049c6851 ), Trojan ( 004afb7f1 ), Trojan ( 004a07831 ), Trojan ( 004afc581 ), Dialer ( 200212ba1 ) |
| Kaspersky | not-a-virus:Downloader.Win32.Montiera.b, not-a-virus:AdWare.Win32.Buen.j, not-a-virus:AdWare.Win32.Buen.i |
| Kingsoft | Win32.Troj.DownMontiera.b.(kcloud) |
| Malwarebytes | PUP.Optional.PayByAds.A, PUP.Optional.OnlySearch.A |
| McAfee | Artemis!F69F826C0323, Artemis!899860BFF838, Artemis!46EDEE81DDD1, RDN/Generic PUP.x!cng, Artemis!7BBA585E4547, Artemis!AAD07028BB2A |
| McAfee-GW-Edition | Artemis, RDN/Generic PUP.x!cng, BehavesLike.Win32.PUP.gh, Artemis!PUP |
| MicroWorld-eScan | Gen:Variant.Strictor.64185, Adware.PayByAds.A |
| NANO-Antivirus | Trojan.Win32.Montiera.dfmtjx |
| Panda | Trj/Chgt.I, Trj/Chgt.F, Trj/CI.A, Trj/Chgt.J |
| Qihoo-360 | Trojan.Generic, Win32/Virus.Downloader.42e, Win32/Virus.Adware.f26 |
| Rising | PE:Trojan.Win32.Generic.17838D4E!394497358 |
| Sophos | PayByAds |
| Symantec | WS.Reputation.1, Trojan.Gen.2 |
| Tencent | Win32.Trojan.Suspicious.Nodr |
| TrendMicro | ADW_TIERMON, TROJ_GEN.F0C2C00LS14, TROJ_GEN.R00UC0EK214 |
| TrendMicro-HouseCall | Suspicious_GEN.F47V0914, ADW_TIERMON, TROJ_GEN.F0C2C00LS14, Suspicious_GEN.F47V1209, TROJ_GEN.R00UC0EK214 |
| VBA32 | Downloader.Montiera |
| VIPRE | Montiera (fs) |
| Zillya | Downloader.Montiera.Win32.6, Downloader.Montiera.Win32.22 |
| nProtect | Adware.PayByAds.A |
* How the Detection Percentage is Calculated
The detection percentage is based on that I've gathered 551 scan results for the PayByAds ltd. files. 199 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
The analysis has been done on certificates with the following serial numbers:
- 00ca9e6fd9ac89fbb9bc192ca9530a98f5