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Removal instructions for Price-Horse

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Content is republished with permission from Malwarebytes.

What is Price-Horse?
The Malwarebytes research team has determined that Price-Horse is adware. These adware applications display advertisements not originating from the sites you are browsing.
How do I know if my computer is affected by Price-Horse?
You may see this entry in your list of installed programs:

How did Price-Horse get on my computer?
Adware applications use different methods for distributing themselves. This particular one was bundled with other software.
How do I remove Price-Horse?
Our program Malwarebytes Anti-Malware can detect and remove this potentially unwanted program.
  • Please download Malwarebytes Anti-Malware to your desktop.
  • Double-click mbam-setup-version.exe and follow the prompts to install the program.
  • At the end, be sure a check-mark is placed next to the following:
    • Enable free trial of Malwarebytes Anti-Malware Premium
    • Launch Malwarebytes Anti-Malware
  • Then click Finish.
  • If an update is found, you will be prompted to download and install the latest version.
  • Once the program has loaded, select Scan now. Or select the Threat Scan from the Scan menu.
  • When the scan is complete , make sure that everything is set to "Quarantine", and click Apply Actions.
  • Reboot your computer if prompted.
Is there anything else I need to do to get rid of Price-Horse?
  • No, Malwarebytes' Anti-Malware removes Price-Horse completely.
How would the full version of Malwarebytes Anti-Malware help protect me?
We hope our application and this guide have helped you eradicate this hijacker.  
As you can see below the full version of Malwarebytes Anti-Malware would have protected you against the Price-Horse adware.  It would have warned you before the rogue could install itself, giving you a chance to stop it before it became too late.


Technical details for experts
You will see these signs in a HijackThis log:
O4 - HKCU\..\Run: [Price-Horse] C:\Users\{username}\AppData\Local\pricehorse\pricehorse\\pricehorse.exe
Alterations made by the installer:

File system details  
    Adds the folder C:\Users\{username}\AppData\Local\pricehorse\pricehorse\
       Adds the file 2ib3ffnd.dll"="10/10/2014 8:55 AM, 202752 bytes, A
       Adds the file app.ini"="10/10/2014 8:55 AM, 530 bytes, A
       Adds the file playsetup.exe"="10/10/2014 8:55 AM, 502632 bytes, A
       Adds the file pricehorse.exe"="10/10/2014 8:55 AM, 627560 bytes, A
       Adds the file pvVflyji.dll"="10/10/2014 8:55 AM, 175104 bytes, A
       Adds the file res.dll"="10/10/2014 8:55 AM, 195584 bytes, A
    In the existing folder C:\Windows\System32\Tasks
       Adds the file Price-Horse"="10/10/2014 8:55 AM, 3518 bytes, A
       Adds the file Price-Horse Udpater"="10/10/2014 8:55 AM, 3516 bytes, A

Registry details  
       "APPORDR"="REG_SZ", "8D2E71952D85AC3E"
       "country"="REG_SZ", ""
       "insllPgLoad"="REG_SZ", "true"
       "lng"="REG_SZ", ""
       "prm1"="REG_SZ", ""
       "prm2"="REG_SZ", ""
       "prm3"="REG_SZ", ""
       "prm4"="REG_SZ", ""
       "prm5"="REG_SZ", ""
       "prchrsmpvn"="REG_SZ", "C:\Users\{username}\AppData\Local\pricehorse\pricehorse\\playsetup.exe"
    [HKEY_CURRENT_USER\Software\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION]
       "playsetup.exe"="REG_DWORD", 19000
       "pricehorse.exe"="REG_DWORD", 19000
       "Price-Horse"="REG_SZ", "C:\Users\{username}\AppData\Local\pricehorse\pricehorse\\pricehorse.exe"
       "DisplayIcon"="REG_SZ", ""C:\Users\{username}\AppData\Local\pricehorse\pricehorse\\playsetup.exe""
       "DisplayName"="REG_SZ", "Price-Horse"
       "NoModify"="REG_DWORD", 1
       "NoRepair"="REG_DWORD", 1
       "Publisher"="REG_SZ", "Price-Horse"
       "UninstallString"="REG_SZ", ""C:\Users\{username}\AppData\Local\pricehorse\pricehorse\\playsetup.exe" /uninstl"

Malwarebytes Anti-Malware log:
Malwarebytes Anti-Malware

Scan Date: 10/10/2014
Scan Time: 9:04:06 AM
Logfile: mbamPriceHorse.txt
Administrator: Yes

Malware Database: v2014.10.10.03
Rootkit Database: v2014.10.08.01
License: Free
Malware Protection: Disabled
Malicious Website Protection: Disabled
Self-protection: Disabled

OS: Windows 7 Service Pack 1
CPU: x86
File System: NTFS
User: Malwarebytes

Scan Type: Threat Scan
Result: Completed
Objects Scanned: 268288
Time Elapsed: 2 min, 58 sec

Memory: Enabled
Startup: Enabled
Filesystem: Enabled
Archives: Enabled
Rootkits: Disabled
Heuristics: Enabled
PUP: Enabled
PUM: Enabled

Processes: 1
PUP.Optional.PayByAds.A, C:\Users\{username}\AppData\Local\pricehorse\pricehorse\\pricehorse.exe, 1140, Delete-on-Reboot, [6c9f0310710b9e98c2a7d8709e67e51b]

Modules: 0
(No malicious items detected)

Registry Keys: 0
(No malicious items detected)

Registry Values: 1
PUP.Optional.PayByAds.A, HKCU\SOFTWARE\MICROSOFT\WINDOWS\CURRENTVERSION\RUN|Price-Horse, C:\Users\{username}\AppData\Local\pricehorse\pricehorse\\pricehorse.exe, Quarantined, [6c9f0310710b9e98c2a7d8709e67e51b]

Registry Data: 0
(No malicious items detected)

Folders: 0
(No malicious items detected)

Files: 2
PUP.Optional.PayByAds.A, C:\Users\{username}\AppData\Local\pricehorse\pricehorse\\pricehorse.exe, Delete-on-Reboot, [6c9f0310710b9e98c2a7d8709e67e51b], 
PUP.Optional.PriceHorse.A, C:\Users\{username}\Desktop\pricehorse_1.3.13.12_cn.exe, Quarantined, [a863b75cf983c571bc4c6eea7789c040], 

Physical Sectors: 0
(No malicious items detected)

As mentioned before the full version of Malwarebytes Anti-Malware could have protected your computer against this threat.
We use different ways of protecting your computer(s):
  • Dynamically Blocks Malware Sites & Servers
  • Malware Execution Prevention
Save yourself the hassle and get protected.
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