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JustCloud

Posted: January 4, 2013

Threat Metric

Ranking: 11,546
Threat Level: 1/10
Infected PCs: 111,671
First Seen: January 4, 2013
Last Seen: March 3, 2025
OS(es) Affected: Windows

Technical Details

File System Modifications

Tutorials: If you wish to learn how to remove malware components manually, you can read the tutorials on how to find malware, kill unwanted processes, remove malicious DLLs and delete other harmful files. Always be sure to back up your PC before making any changes.

The following files were created in the system:



D:\Users\<username>\Documents\AdwCleaner\Quarantine\C\Program Files\MyPC Backup\RestartExplorer.exe.vir File name: RestartExplorer.exe.vir
Size: 16.38 KB (16384 bytes)
MD5: 158c16d067a3e27c1234b03aa69120b2
Detection count: 13,814
Mime Type: unknown/vir
Path: D:\Users\<username>\Documents\AdwCleaner\Quarantine\C\Program Files\MyPC Backup\RestartExplorer.exe.vir
Group: Malware file
Last Updated: March 10, 2025
%SYSTEMDRIVE%\AdwCleaner\Quarantine\C\Program Files (x86)\MyPC Backup\BackupStack.exe.vir File name: BackupStack.exe.vir
Size: 36.39 KB (36392 bytes)
MD5: f4d9392b1dc66313eadc0169d7d18440
Detection count: 10,870
Mime Type: unknown/vir
Path: %SYSTEMDRIVE%\AdwCleaner\Quarantine\C\Program Files (x86)\MyPC Backup\BackupStack.exe.vir
Group: Malware file
Last Updated: October 22, 2024
%PROGRAMFILES(x86)%\JustCloud\JustCloud.exe File name: JustCloud.exe
Size: 2.51 MB (2511808 bytes)
MD5: 04d7e002faf41d7fbb5bedd04c2a97be
Detection count: 2,316
File type: Executable File
Mime Type: unknown/exe
Path: %PROGRAMFILES(x86)%\JustCloud
Group: Malware file
Last Updated: September 30, 2020
%PROGRAMFILES(x86)%\JustCloud\~updates\MPCBClient.dll File name: MPCBClient.dll
Size: 1.49 MB (1497600 bytes)
MD5: 2dcf458c8ac690379a102c235f267d2c
Detection count: 375
File type: Dynamic link library
Mime Type: unknown/dll
Path: %PROGRAMFILES(x86)%\JustCloud\~updates
Group: Malware file
Last Updated: April 16, 2020
%PROGRAMFILES(x86)%\JustCloud\~updates\MPCBContextMenu.dll File name: MPCBContextMenu.dll
Size: 6.49 MB (6498816 bytes)
MD5: 8a69bb335016718ce86a8a6ecc7a24af
Detection count: 220
File type: Dynamic link library
Mime Type: unknown/dll
Path: %PROGRAMFILES(x86)%\JustCloud\~updates
Group: Malware file
Last Updated: February 8, 2014
%PROGRAMFILES(x86)%\JustCloud\~updates\debug.txt File name: debug.txt
Size: 303B (303 bytes)
MD5: 0ea13063e367cd3291d89709961bfd8c
Detection count: 187
Mime Type: unknown/txt
Path: %PROGRAMFILES(x86)%\JustCloud\~updates
Group: Malware file
Last Updated: February 8, 2014
%PROGRAMFILES(x86)%\JustCloud\~updates\UnRegisterExtensions.exe File name: UnRegisterExtensions.exe
Size: 15.36 KB (15360 bytes)
MD5: 88815fce70df8892e47033290292b7d9
Detection count: 178
File type: Executable File
Mime Type: unknown/exe
Path: %PROGRAMFILES(x86)%\JustCloud\~updates
Group: Malware file
Last Updated: April 16, 2020
%PROGRAMFILES%\JustCloud\~updates\MPCBIconOverlays.dll File name: MPCBIconOverlays.dll
Size: 3.61 MB (3615744 bytes)
MD5: 79b4ca13ca4f9414d6325f3317da6ef4
Detection count: 162
File type: Dynamic link library
Mime Type: unknown/dll
Path: %PROGRAMFILES%\JustCloud\~updates
Group: Malware file
Last Updated: February 8, 2014
%PROGRAMFILES%\JustCloud\~updates\Shared Stack.dll File name: Shared Stack.dll
Size: 2.35 MB (2358784 bytes)
MD5: 1831f359bdf1905dbac0bec34b4db6bc
Detection count: 162
File type: Dynamic link library
Mime Type: unknown/dll
Path: %PROGRAMFILES%\JustCloud\~updates
Group: Malware file
Last Updated: February 8, 2014
file.exe File name: file.exe
Size: 1.05 KB (1055 bytes)
MD5: c93444c91f90335d450b88b8282fcd94
Detection count: 5
File type: Executable File
Mime Type: unknown/exe
Group: Malware file
Last Updated: July 21, 2017

More files

Registry Modifications

The following newly produced Registry Values are:

File name without pathJustCloud.lnkHKEY..\..\..\..{RegistryKeys}SOFTWARE\Wow6432Node\JustCloudHKEY_LOCAL_MACHINE\Software\[APPLICATION]\Microsoft\Windows\CurrentVersion\Uninstall..{Uninstaller}JustCloud

Additional Information

The following directories were created:
%APPDATA%\Microsoft\Windows\Start Menu\Programs\JustCloud%PROGRAMFILES%\JustCloud
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