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[Metallica]

Content is republished with permission from Malwarebytes.

What is Share This?
 
The Malwarebytes research team has determined that Share This 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 Share This?
 
You may see this entry in your list of installed programs:
 

 
and these warnings during install:
 

 

 
How did Share This get on my computer?
 
Adware applications use different methods for distributing themselves. This particular one was bundled with other software.
 
How do I remove Share This?
 
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 Share This?

• No, Malwarebytes' Anti-Malware removes Share This 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 Share This 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:

O23 - Service: ShareThis - Data Protection Solutions - C:\ProgramData\ShareThis\ShareThisService.exe

 
Alterations made by the installer:

 
File system details  
---------------------------------------------
    Adds the folder C:\ProgramData\ShareThis
       Adds the file info.dat"="10/15/2014 4:25 PM, 64 bytes, A
       Adds the file ShareThis.dll"="10/15/2014 4:26 PM, 1186160 bytes, A
       Adds the file ShareThis.exe"="10/15/2014 4:26 PM, 50032 bytes, A
       Adds the file ShareThis.exe.config"="10/15/2014 4:26 PM, 190 bytes, A
       Adds the file ShareThis.ico"="10/15/2014 4:26 PM, 109956 bytes, A
       Adds the file ShareThisService.exe"="10/15/2014 4:25 PM, 2319728 bytes, A
       Adds the file ShareThisService.exe.config"="10/15/2014 4:25 PM, 189 bytes, A
       Adds the file uninstall.exe"="10/15/2014 4:26 PM, 655216 bytes, A
       Adds the file uninstall.exe.config"="10/15/2014 4:26 PM, 168 bytes, A
    Adds the folder C:\Users\{username}\AppData\Local\ShareThis
       Adds the file data2.dat"="10/15/2014 4:26 PM, 3072 bytes, A
 
Registry details  
------------------------------------------
    [HKEY_LOCAL_MACHINE\SOFTWARE\Classes\CLSID\{051E9166-B275-4683-907B-372FAE22BC7C}]
       "id"="REG_SZ", "b09dff4fb47c43d298b4c2619aa8f702"
       "p"="REG_SZ", "360"
    [HKEY_LOCAL_MACHINE\SOFTWARE\Classes\CLSID\{9C4EFBD5-1ADF-41E6-BE26-AF44326E30E4}]
       "(Default)"="REG_DWORD", 1
       "v"="REG_DWORD", 1
       "vs"="REG_SZ", "1"
    [HKEY_LOCAL_MACHINE\SOFTWARE\Classes\CLSID\{A2970C7C-8392-4E6F-8B51-B763CF38E13C}]
    [HKEY_LOCAL_MACHINE\SOFTWARE\Classes\CLSID\{b38eda15-ae89-946f-d078-659511cb5b8b}]
       "ik"="REG_SZ", "{266bd9d1-3788-4476-121b-bd4663499fd0}"
    [HKEY_LOCAL_MACHINE\SOFTWARE\Classes\CLSID\{dfa9bc19-1043-9360-e0a6-eaa698b1126a}]
       "id"="REG_SZ", "b09dff4fb47c43d298b4c2619aa8f702"
       "p"="REG_SZ", "360"
    [HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Tracing\ShareThisService_RASAPI32]
       "ConsoleTracingMask"="REG_DWORD", -65536
       "EnableConsoleTracing"="REG_DWORD", 0
       "EnableFileTracing"="REG_DWORD", 0
       "FileDirectory"="REG_EXPAND_SZ, "%windir%\tracing"
       "FileTracingMask"="REG_DWORD", -65536
       "MaxFileSize"="REG_DWORD", 1048576
    [HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Tracing\ShareThisService_RASMANCS]
       "ConsoleTracingMask"="REG_DWORD", -65536
       "EnableConsoleTracing"="REG_DWORD", 0
       "EnableFileTracing"="REG_DWORD", 0
       "FileDirectory"="REG_EXPAND_SZ, "%windir%\tracing"
       "FileTracingMask"="REG_DWORD", -65536
       "MaxFileSize"="REG_DWORD", 1048576
    [HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\ShareThis]
       "DisplayIcon"="REG_SZ", "C:\ProgramData\ShareThis\ShareThis.ico"
       "DisplayName"="REG_SZ", "ShareThis"
       "DisplayVersion"="REG_SZ", "3.0.11"
       "EstimatedSize"="REG_DWORD", 5000
       "HelpLink"="REG_SZ", "http://www.getsharethis.com/about.html"
       "InstallDate"="REG_SZ", "10/15/2014"
       "Publisher"="REG_SZ", "Data Protection Solutions"
       "UninstallString"="REG_SZ", ""C:\ProgramData\ShareThis\uninstall.exe""
    [HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\services\ShareThis]
       "DependOnService"="REG_MULTI_SZ, "Winmgmt CryptSvc "
       "DisplayName"="REG_SZ", "ShareThis"
       "ErrorControl"="REG_DWORD", 1
       "FailureActions"="REG_BINARY, <.....................
       "ImagePath"="REG_EXPAND_SZ, ""C:\ProgramData\ShareThis\ShareThisService.exe""
       "ObjectName"="REG_SZ", "LocalSystem"
       "Start"="REG_DWORD", 2
       "Type"="REG_DWORD", 16

 
Malwarebytes Anti-Malware log:

Malwarebytes Anti-Malware
www.malwarebytes.org
 
Scan Date: 10/15/2014
Scan Time: 4:16:57 PM
Logfile: mbamShareThis.txt
Administrator: Yes
 
Version: 2.00.3.1024
Malware Database: v2014.10.15.03
Rootkit Database: v2014.10.15.01
License: Premium
Malware Protection: Enabled
Malicious Website Protection: Enabled
Self-protection: Disabled
 
OS: Windows 7 Service Pack 1
CPU: x86
File System: NTFS
User: Malwarebytes
 
Scan Type: Threat Scan
Result: Completed
Objects Scanned: 269816
Time Elapsed: 5 min, 51 sec
 
Memory: Enabled
Startup: Enabled
Filesystem: Enabled
Archives: Enabled
Rootkits: Disabled
Heuristics: Enabled
PUP: Enabled
PUM: Enabled
 
Processes: 1
PUP.Optional.ShareThis.A, C:\ProgramData\ShareThis\ShareThisService.exe, 1212, Delete-on-Reboot, [639c36de5e1e87af1df9dcf48a77d22e]
 
Modules: 0
(No malicious items detected)
 
Registry Keys: 3
PUP.Optional.ShareThis.A, HKLM\SYSTEM\CURRENTCONTROLSET\SERVICES\ShareThis, Quarantined, [639c36de5e1e87af1df9dcf48a77d22e], 
PUP.Optional.WebSteroids.A, HKLM\SOFTWARE\CLASSES\CLSID\{051E9166-B275-4683-907B-372FAE22BC7C}, Quarantined, [06f9f222f18be55161f57d258a7833cd], 
PUP.Optional.ShareThis.A, HKLM\SOFTWARE\MICROSOFT\WINDOWS\CURRENTVERSION\UNINSTALL\ShareThis, Quarantined, [14eb24f0d1abd75f1cfa2da38879e11f], 
 
Registry Values: 0
(No malicious items detected)
 
Registry Data: 0
(No malicious items detected)
 
Folders: 4
PUP.Optional.ShareThis.A, C:\Users\{username}\AppData\Local\ShareThis, Quarantined, [6c9300141666e5515ff8f89312f258a8], 
PUP.Optional.ShareThis.A, C:\ProgramData\ShareThis, Delete-on-Reboot, [6a9516feb6c60e28382b4249ad576997], 
PUP.Optional.ShareThis.A, C:\ProgramData\ShareThis\up, Quarantined, [6a9516feb6c60e28382b4249ad576997], 
PUP.Optional.ShareThis.A, C:\ProgramData\ShareThis\up\3.0.15, Quarantined, [6a9516feb6c60e28382b4249ad576997], 
 
Files: 12
PUP.Optional.ShareThis.A, C:\ProgramData\ShareThis\ShareThisService.exe, Delete-on-Reboot, [639c36de5e1e87af1df9dcf48a77d22e], 
PUP.Optional.ShareThis.A, C:\ProgramData\ShareThis\ShareThis.dll, Quarantined, [aa5555bfafcd72c4292af123af568d73], 
PUP.Optional.ShareThis.A, C:\ProgramData\ShareThis\ShareThis.exe, Quarantined, [12ed140083f9d85e37df616fb44da35d], 
PUP.Optional.ShareThis.A, C:\ProgramData\ShareThis\uninstall.exe, Quarantined, [14eb24f0d1abd75f1cfa2da38879e11f], 
PUP.Optional.ShareThis.A, C:\Users\{username}\Desktop\ShareThis.exe, Quarantined, [24db9d7735477abc987eb61ada2758a8], 
PUP.Optional.ShareThis.A, C:\Users\{username}\AppData\Local\ShareThis\data2.dat, Quarantined, [6c9300141666e5515ff8f89312f258a8], 
PUP.Optional.ShareThis.A, C:\ProgramData\ShareThis\info.dat, Delete-on-Reboot, [6a9516feb6c60e28382b4249ad576997], 
PUP.Optional.ShareThis.A, C:\ProgramData\ShareThis\ShareThis.exe.config, Quarantined, [6a9516feb6c60e28382b4249ad576997], 
PUP.Optional.ShareThis.A, C:\ProgramData\ShareThis\ShareThis.ico, Quarantined, [6a9516feb6c60e28382b4249ad576997], 
PUP.Optional.ShareThis.A, C:\ProgramData\ShareThis\ShareThisService.exe.config, Quarantined, [6a9516feb6c60e28382b4249ad576997], 
PUP.Optional.ShareThis.A, C:\ProgramData\ShareThis\uninstall.exe.config, Quarantined, [6a9516feb6c60e28382b4249ad576997], 
PUP.Optional.ShareThis.A, C:\ProgramData\ShareThis\up\3.0.15\update.exe.config, Quarantined, [6a9516feb6c60e28382b4249ad576997], 
 
Physical Sectors: 0
(No malicious items detected)
 
 
(end)

 
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.