Adware refers to programs that display advertising using any means: pop-ups, banners, changes to the browser home page or search page, etc. The advertisements could be associated with the products or services offered by the creator of the program or by third-parties.
Adware can be installed in a number of ways, on some occasions without users' consent, and either with or without users' knowledge of its function.
It affects productivity, preventing tasks from being carried out:
- In the affected computer:
it displays pop-up windows.
Alexa.B uses the following propagation or distribution methods:
- Exploiting vulnerabilities with the intervention of the user: exploiting vulnerabilities in file formats or applications. To exploit them successfully it needs the intervention of the user: opening files, viewing malicious web pages, reading emails, etc.
- It is dropped or downloaded to the computer by other malware specimens, for example: Dropper.WY, prueba, Downloader.NKX, Downloader.NKY, Downloader.OAF, Downloader.OBB, Downloader.OTU, Downloader.PCS, Lineage.EXZ.