Four out of five new malware samples are Trojan programs, according to PandaLabs’ quarterly report. Worms were the second-most common form of malware in the first quarter of this year at 9.3 percent, followed by viruses at 6.43 percent. China is home to the most infected PCs, with 54.1 percent of its desktops infected, Thailand (47.15 percent) and Turkey (42.75 percent) European nations tend to have the fewest infected machines, with Sweden the cleanest.”]
Source: https://www.darkreading.com/attacks-breaches/trojans-make-up-80-percent-of-all-new-malware