How to remove Straightish.app from systems

Mac Virus

Also Known As: Ads by Straightish.app

Damage level:

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What kind of application is Straightish.app?

Our analysis has revealed that Straightish.app is an advertising-supported application (from the Pirrit family) that multiple security vendors have flagged as malicious. Upon installation, it can deliver annoying and misleading advertisements used to promote questionable (and sometimes malicious) websites. Thus, if installed on a device, Straightish.app should be removed.

Straightish.app adware

Straightish.app adware in detail

Since Straightish.app is being detected as malicious, it can deliver fake warnings, offers, and other advertisements in the form of pop-ups, banners, coupons, etc. These advertisements can be designed to open untrustworthy websites or run scripts intended to trigger unexpected and unwanted downloads.

Interacting with these ads can direct users to websites designed to steal login credentials (e.g., usernames and passwords), financial information (e.g., credit card details), and other information. Users can also encounter sites created to promote fake products or services, giveaways, and similar content, and distribute unwanted apps or malware.

Furthermore, Straightish.app may collect browsing data, including visited websites and search queries. It may also collect personal data such as email addresses, usernames, and sometimes login credentials, banking details, and other private information. This information can be misused for malicious purposes, such as identity theft.

Additionally, some adware can operate as a browser hijacker. Usually, browser hijacking occurs when an unwanted application changes settings in a web browser (such as the default search engine, homepage, and new tab page). It is common for browser hijackers to redirect users to fake search engines or other unreliable pages.

Lastly, it may be difficult to remove Straightish.app manually from systems. In such cases, it may be necessary to run a scan with a tool like Combo Cleaner to remove adware.

Threat Summary:
Name Ads by Straightish.app
Threat Type Adware, Mac malware, Mac virus
Detection Names Avast (MacOS:Pirrit-CH [Adw]), Combo Cleaner (Adware.MAC.Pirrit.KF), ESET-NOD32 (OSX/Adware.Pirrit.BP Application), Kaspersky (Not-a-virus:HEUR:AdWare.OSX.Pirrit.ac), Full List (VirusTotal)
Symptoms Your Mac becomes slower than normal, you see unwanted pop-up ads, you are redirected to dubious websites.
Distribution methods Deceptive pop-up ads, free software installers (bundling), torrent file downloads.
Damage Internet browser tracking (potential privacy issues), display of unwanted ads, redirects to dubious websites, loss of private information.
Malware Removal (Windows)

To eliminate possible malware infections, scan your computer with legitimate antivirus software. Our security researchers recommend using Combo Cleaner.

Download Combo Cleaner

To use full-featured product, you have to purchase a license for Combo Cleaner. 7 days free trial available. Combo Cleaner is owned and operated by RCS LT, the parent company of PCRisk.com.

Conclusion

In conclusion, Straightish.app poses risks by displaying deceptive advertisements that can lead users to unsafe websites or trigger unwanted downloads. It may expose users to scams, malware, and other threats. Because it can also alter browser settings and persist on a system, using trusted security tools to detect and remove it is often necessary.

More examples of adware are EngineTrack, DailyHandler, BalanceOptimizer.

How did Straightish.app install on my computer?

Adware is frequently bundled with free programs (or questionable software). It often gets installed or added when users quickly proceed with the default installation settings instead of using options like "Custom" or "Advanced", which allow them to deselect additional, unwanted components.

It can also spread through deceptive ads, pop-ups, or or similar content on unsafe websites. In addition, downloading applications or files from unofficial app stores, third-party download tools, or peer-to-peer (P2P) networks—can lead to adware being installed or added without the user realizing it.

How to avoid installation of unwanted applications?

Keep your operating system and all installed software up to date, and use reliable security tools on a regular basis. Download applications only from official websites or trusted app stores, and pay close attention during installation so you can reject any optional or unwanted offers.

Be careful when browsing, especially shady websites - do not interact with suspicious links, pop-ups, or advertisements, and do not allow unknown or untrustworthy websites to send you notifications. If your computer is already infected with Straightish.app, we recommend running a scan with Combo Cleaner Antivirus for Windows to automatically eliminate this adware.

When removing Straightish.app, it is important to check these folders for its components (the filenames may differ in each folder, yet every single one should contain "straightish"):

  • ~/Library/LaunchAgents
  • /Library/LaunchDaemons
  • /Library/LaunchAgents
  • /Library/StartupItems

A pop-up that appears before the installation of Straightish.app:

Straightish.app Adware message before installation

Text in this message:

"Straightish.app" will damage your computer.

This file was downloaded on an unknown date.

Ok
Show in Finder

Instant automatic malware removal:

Manual threat removal might be a lengthy and complicated process that requires advanced IT skills. Combo Cleaner is a professional automatic malware removal tool that is recommended to get rid of malware. Download it by clicking the button below:

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Quick menu:

Video showing how to remove adware and browser hijackers from a Mac computer:

Straightish.app adware removal:

Remove Straightish.app-related potentially unwanted applications from your "Applications" folder:

Manual removal of malicious Mac applications

Click the Finder icon. In the Finder window, select "Applications". In the applications folder, look for "MPlayerX", "NicePlayer", or other suspicious applications and drag them to the Trash. After removing the potentially unwanted application(s) that cause online ads, scan your Mac for any remaining unwanted components.

DOWNLOAD remover for malware infections

Combo Cleaner checks if your computer is infected with malware. To use full-featured product, you have to purchase a license for Combo Cleaner. 7 days free trial available. Combo Cleaner is owned and operated by RCS LT, the parent company of PCRisk.com.

Remove adware-related files and folders

Mac Go To Folder step

Click the Finder icon, from the menu bar. Choose Go, and click Go to Folder...

Mac removing related files and folders - step 1Check for adware generated files in the /Library/LaunchAgents/ folder:

Mac go to /Library/LaunchAgents - step 1

In the Go to Folder... bar, type: /Library/LaunchAgents/

Mac go to /Library/LaunchAgents - step 2

In the "LaunchAgents" folder, look for any recently-added suspicious files and move them to the Trash. Examples of files generated by adware - "installmac.AppRemoval.plist", "myppes.download.plist", "mykotlerino.ltvbit.plist", "kuklorest.update.plist", etc. Adware commonly installs several files with the exact same string.

Mac removing related files and folders - step 2Check for adware generated files in the ~/Library/Application Support/ folder:

Mac go to /Library/Application Support - step 1

In the Go to Folder... bar, type: ~/Library/Application Support/

Mac go to /Library/Application Support - step 2

In the "Application Support" folder, look for any recently-added suspicious folders. For example, "MplayerX" or "NicePlayer", and move these folders to the Trash.

Mac removing related files and folders - step 3Check for adware generated files in the ~/Library/LaunchAgents/ folder:

Mac go to ~/Library/LaunchAgents - step 1

In the Go to Folder... bar, type: ~/Library/LaunchAgents/

Mac go to ~/Library/LaunchAgents - step 2

In the "LaunchAgents" folder, look for any recently-added suspicious files and move them to the Trash. Examples of files generated by adware - "installmac.AppRemoval.plist", "myppes.download.plist", "mykotlerino.ltvbit.plist", "kuklorest.update.plist", etc. Adware commonly installs several files with the exact same string.

Mac removing related files and folders - step 4Check for adware generated files in the /Library/LaunchDaemons/ folder:

Mac go to /Library/LaunchDaemons - step 1

In the "Go to Folder..." bar, type: /Library/LaunchDaemons/

Mac go to /Library/LaunchDaemons - step 2

In the "LaunchDaemons" folder, look for recently-added suspicious files. For example "com.aoudad.net-preferences.plist", "com.myppes.net-preferences.plist", "com.kuklorest.net-preferences.plist", "com.avickUpd.plist", etc., and move them to the Trash.

Mac removing malware related files and folders - step 5Scan your Mac with Combo Cleaner:

If you have followed all the steps correctly, your Mac should be clean of infections. To ensure your system is not infected, run a scan with Combo Cleaner Antivirus. Download it HERE. After downloading the file, double click combocleaner.dmg installer. In the opened window, drag and drop the Combo Cleaner icon on top of the Applications icon. Now open your launchpad and click on the Combo Cleaner icon. Wait until Combo Cleaner updates its virus definition database and click the "Start Combo Scan" button.

Mac remove malware with Combo Cleaner - step 1

Combo Cleaner will scan your Mac for malware infections. If the antivirus scan displays "no threats found" - this means that you can continue with the removal guide; otherwise, it's recommended to remove any found infections before continuing.

Mac remove malware with Combo Cleaner - step 2

After removing files and folders generated by the adware, continue to remove rogue extensions from your Internet browsers.

Remove malicious extensions from Internet browsers

Safari iconRemove malicious Safari extensions:

Removal of malicious extensions in Safari - step 1

Open the Safari browser, from the menu bar, select "Safari" and click "Preferences...".

Removal of malicious extensions in Safari - step 2

In the preferences window, select "Extensions" and look for any recently-installed suspicious extensions. When located, click the "Uninstall" button next to it/them. Note that you can safely uninstall all extensions from your Safari browser - none are crucial for regular browser operation.

  • If you continue to have problems with browser redirects and unwanted advertisements - Reset Safari.

Google Chrome logoRemove malicious extensions from Google Chrome:

Removal of malicious extensions in Google Chrome - step 1

Click the Chrome menu icon Google Chrome menu icon (at the top right corner of Google Chrome), select "More Tools" and click "Extensions". Locate all recently-installed suspicious extensions, select these entries and click "Remove".

Removal of malicious extensions in Google Chrome - step 2

  • If you continue to have problems with browser redirects and unwanted advertisements - Reset Google Chrome.

Mozilla Firefox logoRemove malicious extensions from Mozilla Firefox:

Removal of malicious extensions in Mozilla Firefox - step 1

Click the Firefox menu firefox menu icon (at the top right corner of the main window) and select "Add-ons and themes". Click "Extensions", in the opened window locate all recently-installed suspicious extensions, click on the three dots and then click "Remove".

Removal of malicious extensions in Mozilla Firefox - step 2

  • If you continue to have problems with browser redirects and unwanted advertisements - Reset Mozilla Firefox.

Frequently Asked Questions (FAQ)

What harm can adware cause?

Adware can expose users to scams, malware infections, or unwanted downloads. It can also track browsing activity and collect personal or sensitive data. In some cases, it may change browser settings and slow down system performance.

What does adware do?

Adware is software that shows excessive advertisements, such as pop-ups, banners, and coupons. Additionally, it can be used to collect data and as a browser hijacker.

How do adware developers generate revenue?

Adware developers make money by showing ads and earning commissions when users click on them, sign up for services, make purchases, or complete other actions.

Will Combo Cleaner remove Straightish.app adware?

Combo Cleaner can help detect and remove adware from your system. Manual removal may not fully eliminate it, as hidden files or background components can still remain and continue running.

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Tomas Meskauskas

Tomas Meskauskas

Expert security researcher, professional malware analyst

I am passionate about computer security and technology. I have an experience of over 10 years working in various companies related to computer technical issue solving and Internet security. I have been working as an author and editor for pcrisk.com since 2010. Follow me on Twitter and LinkedIn to stay informed about the latest online security threats.

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