They can be viruses or another way of phishing that might take your data to scam your money.
https://www.seono1.co.th/forum/index.ph ... w.html#new
http://www.prepody.ru/topic95596.html
http://ewmen.com/viewtopic.php?t=711049
http://forum.bandingklub.cz/viewtopic.p ... &t=1208940
http://www.prepody.ru/topic41811.html
http://www.prepody.ru/topic97517.html
http://www.20hz.ca/boards/viewtopic.php?t=54318
http://daveandspencer.com/forums/viewto ... 8&t=530962
https://teamaxg.com/showthread.php?tid=97
http://daveandspencer.com/forums/viewto ... 0&t=534494
https://kursevi.media.ba/forum/generaln ... er-storten
http://forum.spolokmedikovke.sk/viewtop ... 3&t=963122
http://daveandspencer.com/forums/viewto ... 6&t=754856