System files scanners

Empty Recycle Bin – Scans & clears content of Recycle Bin.

Temporary Files – Scan and clear files in %LOCALAPPDATA%/Temp folder which are not accessed in last 48 hours.

Clipboard – Scan and clear the contents of the Windows Clipboard.

Memory Dumps – When Windows crashes, it stores small memory dumps so that technical users can debug their systems. Scanner cleans content of %LOCALAPPDATA%\CrashDumps and %LOCALAPPDATA%\CrashRpt folders.

Chkdsk File Fragments – These are clusters and chains that are left over after you run CHKDSK. This option will scan for and remove folders that are stored in root of available disks (including removable USBs) and which have the following name pattern Found.###. All content of these folders is removed.

Windows Log Files – Windows logs many events and activities, such as access, policy changes, Internet use, tasks, and so on. As a result, the dozens of logs it creates are scattered across the system. This option will scan for and delete files in following folders (and subfolders):

%WINDIR%\Debug

%WINDIR%\Logs

%WINDIR%\ServiceProfiles

%WINDIR%\Security\\Logs

%WINDIR%\Microsoft.NET

%WINDIR%\Performance

%WINDIR%\Panther

%WINDIR%\inf

Windows Error Reporting – Scans & Clears files in following folders:

%PROGRAMDATA%\Microsoft\Windows\WER

%LOCALAPPDATA%\Microsoft\Windows\WER

Font cache– Scans and clears font cache files (F*cache.dat) in following folders:

%WINDIR%\ServiceProfiles\LocalService\AppData\Local

%WINDIR%\System32

%LOCALAPPDATA%

The file %WINDIR%\System32\FNTCACHE.DAT will be recreated by Windows upon next restart.

DNS Cache – When you visit a Web site, Windows attempts to speed up future visits to that site by writing its DNS information to the DNS cache. This option will clear out the cache so that Windows can start storing DNS information from scratch. It calls the following process: IPCONFIG /flushdns. There is no way to check if the cache is empty before the call, so result of scanning will always have this option in scanned list.

Start Menu Shortcuts – This option will scan for, and delete Start Menu shortcuts that are invalid (they point to files that no longer exist).

Desktop Shortcuts – This option will scan for, and delete desktop shortcuts that are invalid (they point to files that no longer exist).

Advanced scanners

Windows event logs –Scans & clears entries of existing Windows Event Logs. It does not remove windows logs from the system, only clears their contents. Windows logs every action on the system, so System and Security logs will have an entry written even after the clean is complete.

Environment Path – Scans environment variable “PATH” and removes any path that points to non existing folder.

IIS Log Files – Microsoft's IIS server keeps logs of its activities on your system. This option will scan and remove .LOG files from “%WINDIR%/inetpub/logs” and .ETL files from “%WINDIR%/system32/LogFiles” folder.

Wipe Free Space – When you delete files from your hard drive, Windows only deletes the reference to the files, not the files themselves. Over time, the contents of the files will be overwritten as Windows writes new files, but it's possible to recover some or all parts of deleted files. This option will overwrite free space on local harddisks with random data to make recovery of files impossible by ordinary means.

Firefox scanners

Internet Cache – HTML, images, and other files accumulated while you surfed the Web using browser. Scans and cleans content of the following folders:

%APPDATA%\Mozilla\Firefox\Profiles\profile\cache2;

%APPDATA%\Mozilla\Firefox\Profiles\profile\cache2\entries

%APPDATA%\Mozilla\Firefox\Profiles\profile\cache2\jumpListCache

Internet history – Scans & cleans the list of visited pages which Firefox stores in places.sqlite database file (in profile folder).

Cookies – Scans and cleans cookies stored in cookies.sqlite database file (profile folder), also searches for presence and deletes file: %APPDATA%\Mozilla\Firefox\Profiles\profile\OfflineCache\index.sqlite.

Download history – Scans and clears list of downloaded items from places.sqlite database file (profile folder).

Session – Session contains all saved and opened tabs. This option removes files which Firefox use to store session information and which are stored in folder: %APPDATA%\Mozilla\Firefox\Profiles\profile\sessionstore–backups.

Site preferences – Firefox stores site preferences in content–prefs.sqlite and permissions.sqlite database files (profile folder). This option removes the files. They will be recreated upon next Firefox startup.

Saved form information – User names, passwords, search terms, and anything else you typed into any forms that appeared in the browser's HTML canvas. This option will delete formhistory.sqlite file. File will be recreated upon next Firefox startup.

Saved passwords – This option will delete logins.json file, firefox uses to store usernames and passwords for sites. File will be recreated upon next Firefox startup.

Compact databases – Firefox use databases to store bookmarks, history, and other data. When you remove information from these databases, they may still take up room with fragmented space. This option will defragment and trim unused space from these databases.

Google Chrome

Internet Cache – HTML, images, and other files accumulated while you surfed the Web using browser. Scans and cleans content of the following folders:

%LOCALAPPDATA%\Google\Chrome\Default\Cache

%LOCALAPPDATA%\Google\Chrome\Default\GPUCache

%LOCALAPPDATA%\Google\Chrome\\Default\Media Cache

Internet history – Scans & cleans the following files: Visited Links, Current Tabs, Last Tabs, Top Sites, History Provider Cache, Network Action Predictor from %LOCALAPPDATA%\Google\Chrome\Default\ folder and also .TMF files from folowing folders:

ScanPaths.Add(new ScanPath(dir + "\\Default\\JumpListIconsOld", false));

ScanPaths.Add(new ScanPath(dir + "\\Default\\JumpListIcons", false));

Cookies –Scan and removes files with pattern http*.localstorage from %LOCALAPPDATA%\Google\Chrome\Default\Local Storage folder, also .SOL files from %LOCALAPPDATA%\Google\Chrome\Default\\Pepper Data.

Download history – Scans and clears list of downloaded items from %LOCALAPPDATA%\Google\Chrome\Default\ History database file.

Session –Scans and cleans cookies (files that end with “Session”) from %LOCALAPPDATA%\Google\Chrome\Default\ folder.

Last Download Location – This action scans for existence of folder where Chrome stores downloaded files, but does not clean anything.

Saved form information – User names, passwords, search terms, and anything else you typed into any forms that appeared in the browser's HTML canvas. This option will remove entries from %LOCALAPPDATA%\Google\Chrome\Default\Web Data file.

Saved passwords – This option will delete Login Data file, Chrome uses to store usernames and passwords for sites. File will be recreated upon next Chrome startup.

Compact databases – Chrome use databases to store bookmarks, history, and other data. When you remove information from these databases, they may still take up room with fragmented space. This option will defragment and trim unused space from these databases.

General note: Comodo Dragon is clone of Google Chrome. Everything that applies to Chrome also worths for Comodo Dragon.

Date: 2015-12-24; view: 972