How to Remove OSX.Calisto (Depth Analysis)

31 Jul

Steps to Delete OSX.Calisto Permanently

OSX.Calisto is a perilous Trojan infection that has all the capabilities and nuisance tricks to cheat the infected PC. Soon after settling down, it continuously does so many unwanted modifications in the PC settings. Many important applications start to malfunction and user’s commands doesn’t gets executed smoothly. It is a self-replicating infection and can infect multiple computers which are connected in a network. It also hampers the Online browsing experience by altering the default homepage, new-tab URL, search-engine provider and so on. Many legitimate and useful websites becomes inaccessible due to OSX.Calisto infection.

There are multiple ways and methods used by cyber-criminals to infect the PC with Trojan like OSX.Calisto. Its related files could come bundled with freeware, peer-to-peer file sharing networks, spam email attachments and so on. These are deceiving intrusion method and hence you have to be very careful. You must not download any arbitrary files and programs especially from the unsafe sources such as torrents. Always use official download sources and download any programs only after reading its terms and agreement and privacy policy. Similarly, don’t open email attachments that are sent by unknown senders. And above all, upgrade the firewall security settings by using a powerful anti-malware tool that has strong scanning algorithm and programming logics.

Remove OSX.Calisto using powerful Windows Scanner
Download Automatic Removal Tool to eliminate infectious threat

Now, if you don’t want to face all these functions later inside the PC with OSX.Calisto then you were highly suggested to delete OSX.Calisto by installing expert’s anti-malware tool inside the PC.

So, what is anti-malware tool?

Anti-malware tool (SpyHunter 4) is a powerful real time protection programs for the Windows Operating System which has been created by Enigma Software Group. It is fully capable to protect the Computer against threat like OSX.Calisto. However, you can also remove this threat by manual process but it is little bit complexly. Besides that, the manual process requires Computer skill. That means, you need to put some extra effort on your PC in order to remove OSX.Calisto. As well as, you should have ability to revert back any wrong steps which you have taken in manual process. Otherwise the PC might be goes even worst conditions. On the other hand with the anti-malware tool you don’t requires any extra Computer skill or effort. The Spy Hunter has been designed between experts and novice Users level. Thus, you can easily operate without any worries of harm your Computer. Therefore, in my opinion I would like to prefer anti-malware tool in order to uninstall OSX.Calisto from Computer.

Complete tutorial to delete OSX.Calisto using automatic removal method


  1. As you will run anti-malware tool, you will see two options located in middle of screen. Please click on **Scan Computer Now** option in order to proceed to full System scan.step-1
  2. You can also see the error result while scanning of PC.step-2
  3. If you want to scan any particular volume drive or removal pen drives then you can use this Custom Scan option.step-3
  4. Spyware Helpdesk will help you in solving the PC’s errors online (just like Customer services).step-4
  5. System Guard, this functions will helps you to keep your Computer safe from offline threat.step-5
  6. By using Network Sentry Option your browser will safe from online threat and your online activities will be protected by this anti-malware tool.step-6
  7. Al last, by enabling the Scan Scheduler function, your Computer will automatically keep scanned timely by this tool and notifies you if this tool caught any error.step-7

How to get rid of OSX.Calisto manually?

Eliminate OSX.Calisto by going through Control Panel:

  1. Click on the Start menu icon located on below left of screen (Right click for Windows 8 and 8.1 Users).control-panel-1
  1. Select Control Panel option > Programs.control-panel-2
  1. The Programs which were installed on PC were located in this list.control-panel-3
  1. Please find out OSX.Calisto as well as their associated files and click on it to uninstall it.control-panel-4

Remove OSX.Calisto entries from Windows Registry box:

  1. In order to go to the Windows registry box, please click on Win logo button+ R key together.manual1
  1. Type **regedit** in run dialog box. (If it asks your permission to open this window then click on Yes button)manual2
  1. Registry Box will suddenly open up please go through every location given below in this window in order to find out and delete OSX.Calisto.manual3
  • HKLM\SOFTWARE\Classes\AppID\ OSX.Calisto.exe
    HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Internet Explorer\Extensions
  • HKEY_LOCAL_MACHINE\Software\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects
  • HKEY_LOCAL_MACHINE\Software\Microsoft\Internet Explorer\Toolbar
  • HKEY_LOCAL_MACHINE\SOFTWARE\Google\Chrome\Extensions
  • HKEY_LOCAL_MACHINE\SOFTWARE\Mozilla\Firefox\Extensions
  • HKEY_CURRENT_USER\Software\Opera Software
    Explorer\Main\Start Page Redirect=
  • HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\virus name
  • HKEY_CURRENT_USER\Software\Microsoft\Windows NT\CurrentVersion\Winlogon Shell = %AppData%\IDP.ARES.Generic.exe
  • HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run Random
  • HKEY_LOCAL_MACHINE\Software\Microsoft\Windows NT\CurrentVersion\Random.

Method to prevent OSX.Calisto and other similar threats in future

After all, the single biggest factor in preventing a threat like OSX.Calisto infection is lies upon you. Even you already install anti-malware and you scan your Computer timely, if you don’t be carefully towards your PC while using it. It is obviously to get infected by OSX.Calisto again. Therefore, you just need vigilance to avoid being affected by threat in future and n some tips and suggestion mention here will hopefully prevent your Computer from infection in coming time.

  • Keep your anti-malware updated.
  • Use strong passwords for valuable information to prevent from hacking.
  • Disable auto-run functions for downloaded files and injected drives.
  • Block auto update from network inside System.
  • Leave it out unknown recipient email attachments.
  • Avoid connecting to open source network like Wi-Fi.
  • Use hardware based firewall in order to protect your System against infections.
  • Deploy DNS protection from automatically get modified.
  • Use ad blocker extension and software in order to surf without getting any additional commercial ads and junk notifications.
  • Do not use any untrusted or unofficial domain for surfing and downloading files inside browser.

Click here to Download Automatic Removal Tool to Uninstall OSX.Calisto

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