What is SavingsCool?
The Malwarebytes research team has determined that SavingsCool is a browser hijacker. These so-called "hijackers" manipulate your browser(s), for example to change your startpage or searchscopes, so that the affected browser visits their site or one of their choice. This one also displays advertisements.
How do I know if my computer is affected by SavingsCool?
You may see this entry in your list of installed software:
these warnings during install:
and these proxy settings in Internet Explorer:
How did SavingsCool get on my computer?
Browser hijackers use different methods for distributing themselves. This particular one was bundled with other software.
How do I remove SavingsCool?
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:
Launch Malwarebytes Anti-Malware - Then click Finish.
- Once the program has loaded, select Scan Now. Or select the Threat Scan from the Scan menu.
- If an update is available, it will be implemented before the rest of the scanning procedure.
- When the scan is complete, make sure that all Threats are selected, and click Remove Selected.
- Restart your computer when prompted to do so.
- No, Malwarebytes' Anti-Malware removes SavingsCool completely.
- You may be prompted for a second reboot, which is needed to remove the proxy settings.
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 SavingsCool hijacker. It would have warned you before the application could install itself, giving you a chance to stop it before it became too late.
Technical details for experts
Possible signs in FRST logs:
() C:\ProgramData\Microsoft\Windows\WindowsCredentialManager\wcmasc.exe ProxyEnable: [.DEFAULT] => Proxy is enabled. ProxyServer: [.DEFAULT] => http=127.0.0.1:48593 ProxyEnable: [user SID] => Proxy is enabled. ProxyServer: [user SID] => http=127.0.0.1:48593 "wcmasc" => service was unlocked. <===== ATTENTION R2 wcmasc; C:\ProgramData\Microsoft\Windows\WindowsCredentialManager\wcmasc.exe [994816 2016-11-09] () [File not signed] C:\ProgramData\boost_interprocess SavingsCool (HKLM-x32\...\SavingsCool) (Version: 1.0.1.0 - )Alterations made by the installer:
File system details [View: All details] (Selection) --------------------------------------------------- Adds the folder C:\ProgramData\boost_interprocess\1478866492 Adds the file ClientToServiceExchangeQueue_1"="11/21/2016 8:43 AM, 4198472 bytes, A Adds the file ServiceToClientExchangeQueue_1"="11/21/2016 8:43 AM, 0 bytes, A Adds the folder C:\ProgramData\Microsoft\Windows\WindowsCredentialManager Adds the file wcmasc.exe"="11/9/2016 11:06 AM, 994816 bytes, A Registry details [View: All details] (Selection) ------------------------------------------------ [HKEY_LOCAL_MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Uninstall\SavingsCool] "DisplayIcon"="REG_SZ", "C:\Users\{username}\AppData\Roaming\Windows\SavingsCool\SavingsCool.exe" "DisplayName"="REG_SZ", "SavingsCool" "DisplayVersion"="REG_SZ", "1.0.1.0" "EstimatedSize"="REG_DWORD", 0 "Publisher"="REG_SZ", "" "UninstallString"="REG_SZ", "explorer.exe http://uninstall.savings.cool" [HKEY_LOCAL_MACHINE\SOFTWARE\Wow6432Node\SavingsCool] "Param"="REG_SZ", "EPWjqz" "ServiceHeartBeat"="REG_SZ", "201611210842" [HKEY_LOCAL_MACHINE\SOFTWARE\Wow6432Node\SCTab] "cs"="REG_DWORD", 1 "hb"="REG_DWORD", 1 "ss"="REG_DWORD", 1 [HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\services\wcmasc] "DisplayName"="REG_SZ", "Windows Credential Manager" "ErrorControl"="REG_DWORD", 1 "FailureActions"="REG_BINARY, ............d...d...d. "ImagePath"="REG_EXPAND_SZ, "C:\ProgramData\Microsoft\Windows\WindowsCredentialManager\wcmasc.exe -srvrn" "ObjectName"="REG_SZ", "LocalSystem" "Start"="REG_DWORD", 2 "Type"="REG_DWORD", 16 "WOW64"="REG_DWORD", 1 [HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\services\wcmasc\Security] "Security"="REG_BINARY, ........0................p...."......................... ................................... [HKEY_USERS\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings] "ProxyEnable REG_DWORD, 0 ==> REG_DWORD, 1 "ProxyOverride"="REG_SZ", "<-loopback>" "ProxyServer"="REG_SZ", "http=127.0.0.1:48593" [HKEY_USERS\.DEFAULT\Software\SavingsCool] "id"="REG_SZ", "170383521759659" [HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings] "ProxyEnable REG_DWORD, 0 ==> REG_DWORD, 1 "ProxyHttp1.1"="REG_DWORD", 1 "ProxyOverride"="REG_SZ", "<-loopback>" "ProxyServer"="REG_SZ", "http=127.0.0.1:48593" [HKEY_CURRENT_USER\Software\Windows Discount\FindingDiscount] "DefaultConnectionSettings"="REG_BINARY, ............................................................................................ "FDProxy"="REG_DWORD", 1 "ProxyEnable"="REG_DWORD", 0 "ProxyHttp1.1"="REG_DWORD", 1 "ProxyOverride"="REG_SZ", "" "ProxyServer"="REG_SZ", "" "SavedLegacySettings"="REG_BINARY, ............................................................................................Malwarebytes Anti-Malware log:
Malwarebytes Anti-Malware www.malwarebytes.org Scan Date: 11/21/2016 Scan Time: 8:53 AM Logfile: mbamSavingsCool.txt Administrator: Yes Version: 2.2.1.1043 Malware Database: v2016.11.21.03 Rootkit Database: v2016.11.20.01 License: Premium Malware Protection: Disabled Malicious Website Protection: Enabled Self-protection: Enabled OS: Windows 7 Service Pack 1 CPU: x64 File System: NTFS User: {username} Scan Type: Threat Scan Result: Completed Objects Scanned: 301637 Time Elapsed: 8 min, 37 sec Memory: Enabled Startup: Enabled Filesystem: Enabled Archives: Enabled Rootkits: Enabled Heuristics: Enabled PUP: Enabled PUM: Enabled Processes: 2 PUP.Optional.SavingsCool, C:\ProgramData\Microsoft\Windows\WindowsCredentialManager\wcmasc.exe, 1536, Delete-on-Reboot, [0cdb21a17c1ed6603a72f7dfe41f7f81] PUP.Optional.SavingsCool, C:\ProgramData\Microsoft\Windows\WindowsCredentialManager\wcmasc.exe, 3340, Delete-on-Reboot, [0cdb21a17c1ed6603a72f7dfe41f7f81] Modules: 0 (No malicious items detected) Registry Keys: 4 PUP.Optional.SavingsCool, HKLM\SYSTEM\CURRENTCONTROLSET\SERVICES\wcmasc, Quarantined, [0cdb21a17c1ed6603a72f7dfe41f7f81], PUP.Optional.SavingsCool.PrxySvrRST, HKLM\SOFTWARE\WOW6432NODE\SavingsCool, Quarantined, [e3042f93d7c352e4e001a334788b3bc5], PUP.Optional.SavingsCool.PrxySvrRST, HKLM\SOFTWARE\WOW6432NODE\MICROSOFT\WINDOWS\CURRENTVERSION\UNINSTALL\SavingsCool, Quarantined, [db0cf2d08911092d823d23b323e050b0], PUP.Optional.FindingDiscount, HKCU\SOFTWARE\Windows Discount, Quarantined, [8265457d3f5b68ce1ad731aec23f7d83], Registry Values: 1 PUP.Optional.SavingsCool.PrxySvrRST, HKLM\SYSTEM\CURRENTCONTROLSET\SERVICES\WCMASC|ImagePath, C:\ProgramData\Microsoft\Windows\WindowsCredentialManager\wcmasc.exe -srvrn, Quarantined, [ffe84d75cbcf82b47345e3f3ba4957a9] Registry Data: 0 (No malicious items detected) Folders: 0 (No malicious items detected) Files: 2 PUP.Optional.SavingsCool, C:\ProgramData\Microsoft\Windows\WindowsCredentialManager\wcmasc.exe, Delete-on-Reboot, [0cdb21a17c1ed6603a72f7dfe41f7f81], PUP.Optional.SavingsCool, C:\Users\{username}\Desktop\SavingsCool.exe, Quarantined, [d314efd39802f046416bf9dd000352ae], 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