This application (also known as Alexa Trojan virus) is known since 2016, when many users which are using AVG, AVIRA and AVAST antivirus software got warnings that this application might be malicious and could be a malware (especially if you are using outdated antivirus database).
How IDP.ALEXA.51 has infected my PC?
This application can be installed as a bundle on your computer with “Flash” games. Most of the time it happens when you are installing new games and applications in the rush. As you know, there are two types of installation: normal and advanced (for advanced users). If you have pressed “standard installation”, you have installed and idp.alexa.51 with the game. If you would be selected “advanced installation” you could unmark some checkboxes and skip the installation of unwanted software. Every time you are installing new software, check the setting of the advanced tab and carefully inspect all the checkboxes. That’s how you will avoid any types of unwanted software installation on your PC.
Sometime later it was denied and AV companies have reported as false positive about that app. So it means IDP.ALEXA.51 is not a virus or malware. Most of the cases this application was found in Windows %appdata% and %temp% folder as .tmp.exe files.
Is IDP.ALEXA.51 dangerous?
Despite that, that this application was marked as not malicious, some security researchers say that this application could be dangerous because it interacts with system work and opens a backdoor for third-party users (hackers, cybercriminals).
Technically, this application could be useful for those types of activities:
• Unwanted data access from the outside
• PC slowdowns and system crashes
• Data and system file loss
• Unauthorized software automatic installation
• Other threats like adware and spyware injections
If you now that this application is active on your PC and you have faced with symptoms listed above, immediately install new antivirus software and scan your system with an updated virus database package. Also, you can use www.virustotal.com free service for malicious file scan online.