What is JetMedia?
The Malwarebytes research team has determined that JetMedia is a potentially unwanted program that behaves like adware. Adware applications display advertisements not originating from the sites you are browsing.
How do I know if my computer is affected by JetMedia?
You may see this warning during install:
this task in your Scheduled Tasks:
this entry in your list of installed Programs and Features:
and this new service running in the background:
How did JetMedia get on my computer?
Adware applications use different methods for distributing themselves. This particular one was installed by a bundler.
How do I remove JetMedia?
Our program Malwarebytes can detect and remove this potentially unwanted program.
- Please download Malwarebytes to your desktop.
- Double-click mb3-setup-consumer-{version}.exe and follow the prompts to install the program.
- Then click Finish.
- Once the program has fully updated, select Scan Now on the Dashboard. Or select the Threat Scan from the Scan menu.
- If another update of the definitions 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 removes JetMedia completely.
- This PUP creates a scheduled task. You can read here how to check for and, if necessary, remove Scheduled Tasks.
We hope our application and this guide have helped you eradicate this adware.
As you can see below the full version of Malwarebytes would have protected you against the JetMedia adware. It would have blocked the installer before it became too late.
Technical details for experts
Possible signs in FRST logs:
S2 NativeDesktopMediaService; C:\Program Files\Jetmedia\NativeDesktopMediaService\desktop_media_service.exe [798208 2018-06-05] () [File not signed] C:\Windows\System32\Tasks\Checker64 C:\ProgramData\JetMedia C:\Program Files\Jetmedia NativeDesktopMediaService (HKLM\...\{F8215F4A-4C7C-41A5-9DAB-78AFE769BB42}) (Version: 2.2.5 - Jetmedia) Task: {01958EA3-6525-415C-9973-DD001445C31B} - System32\Tasks\Checker64 => C:\Program Files\Jetmedia\NativeDesktopMediaService\checker.exe [2018-04-30] () FirewallRules: [{905D3279-8055-4FCD-8CA1-193C7FCCDDA2}] => (Allow) C:\Program Files\Jetmedia\NativeDesktopMediaService\desktop_media_service.exeSignificant changes made by the installer:
File system details [View: All details] (Selection) --------------------------------------------------- Adds the folder C:\Program Files\Jetmedia\NativeDesktopMediaService Adds the file checker.exe"="4/30/2018 6:07 PM, 91648 bytes, A Adds the file desktop_media_service.exe"="6/5/2018 11:17 AM, 798208 bytes, A Adds the folder C:\ProgramData\JetMedia\NativeDesktopMediaService Adds the file comdata.dat"="5/10/2018 1:54 PM, 7307 bytes, A In the existing folder C:\Windows\System32\Tasks Adds the file Checker64"="7/23/2018 8:37 AM, 3498 bytes, A Registry details [View: All details] (Selection) ------------------------------------------------ [HKEY_LOCAL_MACHINE\SOFTWARE\Caphyon\Advanced Installer\LZMA\{F8215F4A-4C7C-41A5-9DAB-78AFE769BB42}\2.2.5] "AI_ExePath"="REG_SZ", "C:\Users\{username}\AppData\Local\Temp\setup_2.2.5.exe" [HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\{F8215F4A-4C7C-41A5-9DAB-78AFE769BB42}] "AuthorizedCDFPrefix"="REG_SZ", "" "Comments"="REG_SZ", "This installer database contains the logic and data required to install NativeDesktopMediaService." "Contact"="REG_SZ", "" "DisplayName"="REG_SZ", "NativeDesktopMediaService" "DisplayVersion"="REG_SZ", "2.2.5" "EstimatedSize"="REG_DWORD", 860 "HelpLink"="REG_SZ", "" "HelpTelephone"="REG_SZ", "" "InstallDate"="REG_SZ", "20180723" "InstallLocation"="REG_SZ", "C:\Program Files\Jetmedia\NativeDesktopMediaService\" "InstallSource"="REG_SZ", "C:\Users\{username}\AppData\Roaming\Jetmedia\NativeDesktopMediaService 2.2.5\install\769BB42\" "Language"="REG_DWORD", 1033 "ModifyPath"="REG_EXPAND_SZ, "MsiExec.exe /X{F8215F4A-4C7C-41A5-9DAB-78AFE769BB42}" "NoModify"="REG_DWORD", 1 "NoRepair"="REG_DWORD", 1 "Publisher"="REG_SZ", "Jetmedia" "Readme"="REG_SZ", "" "Size"="REG_SZ", "" "UninstallString"="REG_EXPAND_SZ, "MsiExec.exe /X{F8215F4A-4C7C-41A5-9DAB-78AFE769BB42}" "URLInfoAbout"="REG_SZ", "" "URLUpdateInfo"="REG_SZ", "" "Version"="REG_DWORD", 33685509 "VersionMajor"="REG_DWORD", 2 "VersionMinor"="REG_DWORD", 2 "WindowsInstaller"="REG_DWORD", 1 [HKEY_LOCAL_MACHINE\SOFTWARE\Wow6432Node\Caphyon\Advanced Installer\Scheduled Tasks\{711E0759-3245-49C6-A4D0-B5EE99B2ECA2}] "Checker"="REG_DWORD", 1 "Checker_ID"="REG_SZ", "Checker64" [HKEY_LOCAL_MACHINE\SOFTWARE\Wow6432Node\Jetmedia\NativeDesktopMediaService] "InstanceId"="REG_SZ", "5c27beff-9835-42e9-bd21-9a91d5eafae1" "Path"="REG_SZ", "C:\Program Files\Jetmedia\NativeDesktopMediaService\" "RegisterDate"="REG_SZ", "1532327838" "ServiceName"="REG_SZ", "NativeDesktopMediaService" "Uninstall"="REG_SZ", "C:\Windows\SysWOW64\msiexec.exe /x {F8215F4A-4C7C-41A5-9DAB-78AFE769BB42}" "VendorId"="REG_SZ", "na" "Version"="REG_SZ", "2.2.5" [HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\services\NativeDesktopMediaService] "Description"="REG_SZ", "NativeDesktopMediaService Core Service" "DisplayName"="REG_SZ", "NativeDesktopMediaService" "ErrorControl"="REG_DWORD", 0 "FailureActions"="REG_BINARY, ...................... "FailureCommand"="REG_SZ", """" "ImagePath"="REG_EXPAND_SZ, ""C:\Program Files\Jetmedia\NativeDesktopMediaService\desktop_media_service.exe" --service" "ObjectName"="REG_SZ", "NT AUTHORITY\LocalService" "RebootMessage"="REG_SZ", "1: " "Start"="REG_DWORD", 2 "Type"="REG_DWORD", 16Malwarebytes log:
Malwarebytes www.malwarebytes.com -Log Details- Scan Date: 7/23/18 Scan Time: 10:00 AM Log File: 6e35d5cf-8e4e-11e8-86cd-00ffdcc6fdfc.json Administrator: Yes -Software Information- Version: 3.5.1.2522 Components Version: 1.0.374 Update Package Version: 1.0.6019 License: Premium -System Information- OS: Windows 7 Service Pack 1 CPU: x64 File System: NTFS User: {computername}\{username} -Scan Summary- Scan Type: Threat Scan Scan Initiated By: Manual Result: Completed Objects Scanned: 251248 Threats Detected: 14 Threats Quarantined: 14 Time Elapsed: 3 min, 33 sec -Scan Options- Memory: Enabled Startup: Enabled Filesystem: Enabled Archives: Enabled Rootkits: Enabled Heuristics: Enabled PUP: Detect PUM: Detect -Scan Details- Process: 1 PUP.Optional.JetMedia, C:\Program Files\Jetmedia\NativeDesktopMediaService\desktop_media_service.exe, Quarantined, [5319], [506353],1.0.6019 Module: 1 PUP.Optional.JetMedia, C:\Program Files\Jetmedia\NativeDesktopMediaService\desktop_media_service.exe, Quarantined, [5319], [506353],1.0.6019 Registry Key: 4 PUP.Optional.JetMedia, HKLM\SOFTWARE\MICROSOFT\WINDOWS NT\CURRENTVERSION\SCHEDULE\TASKCACHE\TREE\Checker64, Quarantined, [5319], [506353],1.0.6019 PUP.Optional.JetMedia, HKLM\SOFTWARE\MICROSOFT\WINDOWS NT\CURRENTVERSION\SCHEDULE\TASKCACHE\TASKS\{01958EA3-6525-415C-9973-DD001445C31B}, Quarantined, [5319], [506353],1.0.6019 PUP.Optional.JetMedia, HKLM\SOFTWARE\MICROSOFT\WINDOWS NT\CURRENTVERSION\SCHEDULE\TASKCACHE\PLAIN\{01958EA3-6525-415C-9973-DD001445C31B}, Quarantined, [5319], [506353],1.0.6019 PUP.Optional.JetMedia, HKLM\SYSTEM\CURRENTCONTROLSET\SERVICES\NativeDesktopMediaService, Quarantined, [5319], [506353],1.0.6019 Registry Value: 3 PUP.Optional.JetMedia, HKLM\SYSTEM\CURRENTCONTROLSET\SERVICES\NATIVEDESKTOPMEDIASERVICE|IMAGEPATH, Quarantined, [5319], [506357],1.0.6019 PUP.Optional.JetMedia, HKLM\SOFTWARE\MICROSOFT\WINDOWS NT\CURRENTVERSION\SCHEDULE\TASKCACHE\TASKS\{01958EA3-6525-415C-9973-DD001445C31B}|PATH, Quarantined, [5319], [506358],1.0.6019 Adware.NetAdapter, HKLM\SYSTEM\CURRENTCONTROLSET\SERVICES\SHAREDACCESS\PARAMETERS\FIREWALLPOLICY\FIREWALLRULES|{905D3279-8055-4FCD-8CA1-193C7FCCDDA2}, Quarantined, [912], [509082],1.0.6019 Registry Data: 0 (No malicious items detected) Data Stream: 0 (No malicious items detected) Folder: 2 PUP.Optional.JetMedia, C:\Program Files\Jetmedia\NativeDesktopMediaService, Quarantined, [5319], [506353],1.0.6019 PUP.Optional.JetMedia, C:\PROGRAM FILES\JETMEDIA, Quarantined, [5319], [506353],1.0.6019 File: 3 PUP.Optional.JetMedia, C:\WINDOWS\SYSTEM32\TASKS\Checker64, Quarantined, [5319], [506353],1.0.6019 PUP.Optional.JetMedia, C:\PROGRAM FILES\JETMEDIA\NATIVEDESKTOPMEDIASERVICE\checker.exe, Quarantined, [5319], [506353],1.0.6019 PUP.Optional.JetMedia, C:\Program Files\Jetmedia\NativeDesktopMediaService\desktop_media_service.exe, Quarantined, [5319], [506353],1.0.6019 Physical Sector: 0 (No malicious items detected) WMI: 0 (No malicious items detected) (end)As mentioned before the full version of Malwarebytes 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