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[Metallica]

Content is republished with permission from Malwarebytes.

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


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

• No, Malwarebytes' Anti-Malware removes SavingsDownloader 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 SavingsDownloader 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: SavingsDownloaderService - Unknown owner - C:\Program Files\B9CBF423-6A69-410E-AEC2-C3E1DDDEEFFC\ajfhqofhwu.exe

 
 
Alterations made by the installer:

File system details  
---------------------------------------------
    Adds the folder C:\Program Files\B9CBF423-6A69-410E-AEC2-C3E1DDDEEFFC
       Adds the file 64.ico"="10/10/2014 9:32 PM, 32038 bytes, A
       Adds the file ajfhqofhwu.exe"="10/10/2014 9:32 PM, 151040 bytes, A
       Adds the file libeay32.dll"="10/10/2014 9:32 PM, 1265664 bytes, A
       Adds the file nfapi.dll"="10/10/2014 9:32 PM, 102400 bytes, A
       Adds the file nfregdrv.exe"="10/10/2014 9:32 PM, 49152 bytes, A
       Adds the file ProtocolFilters.dll"="10/10/2014 9:32 PM, 323584 bytes, A
       Adds the file ssleay32.dll"="10/10/2014 9:32 PM, 348160 bytes, A
       Adds the file uninstall_a.exe"="10/31/2014 1:50 PM, 55131 bytes, A
    Adds the folder C:\Program Files\SavingsDownloader\SSL
    In the existing folder C:\Windows\System32\drivers
       Adds the file netfilter.sys"="10/10/2014 9:32 PM, 31744 bytes, A
       Adds the file updater_ajfhqofhwu.exe"="10/10/2014 9:32 PM, 483328 bytes, A

Registry details  
------------------------------------------
    [HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\savingsdownloader]
       "DisplayIcon"="REG_SZ", ""C:\Program Files\B9CBF423-6A69-410E-AEC2-C3E1DDDEEFFC\64.ico""
       "DisplayName"="REG_SZ", "savingsdownloader"
       "EstimatedSize"="REG_DWORD", 1837
       "InstallLocation"="REG_SZ", ""C:\Program Files\B9CBF423-6A69-410E-AEC2-C3E1DDDEEFFC""
       "NoModify"="REG_DWORD", 1
       "NoRepair"="REG_DWORD", 1
       "Publisher"="REG_SZ", "savingsdownloader"
       "QuietUninstallString"="REG_SZ", ""C:\Program Files\B9CBF423-6A69-410E-AEC2-C3E1DDDEEFFC\uninstall_a.exe" /S"
       "UninstallString"="REG_SZ", ""C:\Program Files\B9CBF423-6A69-410E-AEC2-C3E1DDDEEFFC\uninstall_a.exe""
    [HKEY_LOCAL_MACHINE\SOFTWARE\savingsdownloader]
       "(Default)"="REG_SZ", ""
       "key"="REG_SZ", "B9CBF423-6A69-410E-AEC2-C3E1DDDEEFFC"
       "qual"="REG_SZ", "CECB17D2-5C89-475E-BC20-AAF9B0068385"
    [HKEY_LOCAL_MACHINE\SOFTWARE\savingsdownloader\savingsdownloader]
       "(Default)"="REG_SZ", ""
       "INSTALLNETFILTERSTATUS"="REG_SZ", "TRUE"
       "P"="REG_SZ", "http://d.khb09w.com/xuiow/"
       "S"="REG_SZ", "B9CBF423-6A69-410E-AEC2-C3E1DDDEEFFC"
       "STATUSCODE"="REG_SZ", "3"
       "T"="REG_SZ", "1414759831"
       "U"="REG_SZ", "CECB17D2-5C89-475E-BC20-AAF9B0068385"
    [HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\services\netfilter]
       "DisplayName"="REG_SZ", "netfilter"
       "ErrorControl"="REG_DWORD", 1
       "Group"="REG_SZ", "PNP_TDI"
       "ImagePath"="REG_EXPAND_SZ, "system32\drivers\netfilter.sys"
       "Start"="REG_DWORD", 1
       "Tag"="REG_DWORD", 9
       "Type"="REG_DWORD", 1
    [HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\services\netfilter\Enum]
       "0"="REG_SZ", "Root\LEGACY_NETFILTER\0000"
       "Count"="REG_DWORD", 1
       "NextInstance"="REG_DWORD", 1
    [HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\services\SavingsDownloaderService]
       "DisplayName"="REG_SZ", "SavingsDownloaderService"
       "ErrorControl"="REG_DWORD", 1
       "ImagePath"="REG_EXPAND_SZ, "C:\Program Files\B9CBF423-6A69-410E-AEC2-C3E1DDDEEFFC\ajfhqofhwu.exe"
       "ObjectName"="REG_SZ", "LocalSystem"
       "Start"="REG_DWORD", 2
       "Type"="REG_DWORD", 16
    [HKEY_CURRENT_USER\Software\AppDataLow\Software\savingsdownloader]
       "key"="REG_SZ", "B9CBF423-6A69-410E-AEC2-C3E1DDDEEFFC"

Malwarebytes Anti-Malware log:

Malwarebytes Anti-Malware
www.malwarebytes.org

Scan Date: 10/31/2014
Scan Time: 1:39:44 PM
Logfile: mbamDownloadSavings.txt
Administrator: Yes

Version: 2.00.3.1025
Malware Database: v2014.10.31.04
Rootkit Database: v2014.10.22.01
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: 272978
Time Elapsed: 3 min, 16 sec

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

Processes: 1
PUP.Optional.SavingsDownloader.A, C:\Program Files\B9CBF423-6A69-410E-AEC2-C3E1DDDEEFFC\ajfhqofhwu.exe, 6444, Delete-on-Reboot, [e060b8636e0e7db950076dbca560af51]

Modules: 4
PUP.Optional.SavingsDownloader.A, C:\Program Files\B9CBF423-6A69-410E-AEC2-C3E1DDDEEFFC\libeay32.dll, Delete-on-Reboot, [4ef248d3f3896dc9a7f6cd5725de2ed2], 
PUP.Optional.SavingsDownloader.A, C:\Program Files\B9CBF423-6A69-410E-AEC2-C3E1DDDEEFFC\nfapi.dll, Delete-on-Reboot, [4ef248d3f3896dc9a7f6cd5725de2ed2], 
PUP.Optional.SavingsDownloader.A, C:\Program Files\B9CBF423-6A69-410E-AEC2-C3E1DDDEEFFC\ProtocolFilters.dll, Delete-on-Reboot, [4ef248d3f3896dc9a7f6cd5725de2ed2], 
PUP.Optional.SavingsDownloader.A, C:\Program Files\B9CBF423-6A69-410E-AEC2-C3E1DDDEEFFC\ssleay32.dll, Delete-on-Reboot, [4ef248d3f3896dc9a7f6cd5725de2ed2], 

Registry Keys: 4
PUP.Optional.SavingsDownloader.A, HKLM\SYSTEM\CURRENTCONTROLSET\SERVICES\SavingsDownloaderService, Quarantined, [e060b8636e0e7db950076dbca560af51], 
PUP.Optional.SavingsDownloader.A, HKLM\SOFTWARE\savingsdownloader, Quarantined, [4af6f6256b11f83ea3564855b64ee719], 
PUP.Optional.SavingsDownloader.A, HKCU\SOFTWARE\APPDATALOW\SOFTWARE\savingsdownloader, Quarantined, [2b15cc4f1c606fc732c95c41ec18f20e], 
PUP.Optional.SavingsDownloader.A, HKLM\SOFTWARE\MICROSOFT\WINDOWS\CURRENTVERSION\UNINSTALL\savingsdownloader, Quarantined, [4ef248d3f3896dc9a7f6cd5725de2ed2], 

Registry Values: 0
(No malicious items detected)

Registry Data: 0
(No malicious items detected)

Folders: 3
PUP.Optional.SavingsDownloader.A, C:\Program Files\B9CBF423-6A69-410E-AEC2-C3E1DDDEEFFC, Delete-on-Reboot, [4ef248d3f3896dc9a7f6cd5725de2ed2], 
PUP.Optional.SavingsDownloader.A, C:\Program Files\SavingsDownloader, Quarantined, [69d7e03b3d3fae88b0eef23247bcab55], 
PUP.Optional.SavingsDownloader.A, C:\Program Files\SavingsDownloader\SSL, Quarantined, [69d7e03b3d3fae88b0eef23247bcab55], 

Files: 10
PUP.Optional.SavingsDownloader.A, C:\Program Files\B9CBF423-6A69-410E-AEC2-C3E1DDDEEFFC\ajfhqofhwu.exe, Delete-on-Reboot, [e060b8636e0e7db950076dbca560af51], 
PUP.Optional.SavingsDownloader.A, C:\Users\{username}\Desktop\Downloadsavings.exe, Quarantined, [53edc7544834e74f292ecf5a0cf920e0], 
PUP.Optional.AdPeak.A, C:\Windows\System32\drivers\updater_ajfhqofhwu.exe, Quarantined, [0e3274a73f3dea4c1cea5c4ca55de020], 
PUP.Optional.SavingsDownloader.A, C:\Program Files\B9CBF423-6A69-410E-AEC2-C3E1DDDEEFFC\64.ico, Quarantined, [4ef248d3f3896dc9a7f6cd5725de2ed2], 
PUP.Optional.SavingsDownloader.A, C:\Program Files\B9CBF423-6A69-410E-AEC2-C3E1DDDEEFFC\libeay32.dll, Delete-on-Reboot, [4ef248d3f3896dc9a7f6cd5725de2ed2], 
PUP.Optional.SavingsDownloader.A, C:\Program Files\B9CBF423-6A69-410E-AEC2-C3E1DDDEEFFC\nfapi.dll, Delete-on-Reboot, [4ef248d3f3896dc9a7f6cd5725de2ed2], 
PUP.Optional.SavingsDownloader.A, C:\Program Files\B9CBF423-6A69-410E-AEC2-C3E1DDDEEFFC\nfregdrv.exe, Quarantined, [4ef248d3f3896dc9a7f6cd5725de2ed2], 
PUP.Optional.SavingsDownloader.A, C:\Program Files\B9CBF423-6A69-410E-AEC2-C3E1DDDEEFFC\ProtocolFilters.dll, Delete-on-Reboot, [4ef248d3f3896dc9a7f6cd5725de2ed2], 
PUP.Optional.SavingsDownloader.A, C:\Program Files\B9CBF423-6A69-410E-AEC2-C3E1DDDEEFFC\ssleay32.dll, Delete-on-Reboot, [4ef248d3f3896dc9a7f6cd5725de2ed2], 
PUP.Optional.SavingsDownloader.A, C:\Program Files\B9CBF423-6A69-410E-AEC2-C3E1DDDEEFFC\uninstall_a.exe, Quarantined, [4ef248d3f3896dc9a7f6cd5725de2ed2], 

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.