olemus
(a) rakendused ja failid, mida ei loeta kahjurvaraks, kuid
mis võivad kahjustada arvuti sooritusvõimet
või tekitada olulisi turvariske;
(b) = nugivara

Wikipedia:
unwanted applications or files that are not classified as malware, but can worsen the performance of computers and cause security risks

ülevaateid
https://www.goci.com/what-is-grayware-adware-and-madware-2/

https://uk.norton.com/norton-blog/2015/08/what_is_grayware.html

https://now.symassets.com/content/dam/norton/global/pdfs/whitepapers/NMI_Whitepaper_Consumer_Version_Fall_2014_D2-Google-Play.pdf

https://www.symantec.com/connect/articles/all-about-grayware

https://www.hindawi.com/journals/jcnc/2011/569829/

http://publish.illinois.edu/science-of-security-lablet/files/2014/05/A-Study-of-Grayware-on-Google-Play.pdf

https://enterprise.comodo.com/what-is-grayware.php