These malicious programs are used to steal the user’s credentials for accessing various services, such as online banking. This malware can also allow a cybercriminal to remotely control the infected computer. The first malware of this type appeared in 2006–2007. Since then, many modifications and updates have been made to Trojan-Spy.Win32.Zbot. The source code was leaked in 2011. Trojan-Spy.Win32.Zbot used the BlackHole exploit kit and Cutwail and Pushdo botnets to spread.
Malware of this family has many features, including: data interception, DNS spoofing, screenshot capture, retrieval of passwords stored in Windows, downloading and execution of files on the user’s computer, and attacks on other computers via the Internet.
Several widespread modifications of this malware family exist, such as the following:
Geographical distribution of attacks by the Trojan-Spy.Win32.Zbot family
Geographical distribution of attacks during the period from 24 July 2014 to 27 July 2015
Top 10 countries with most attacked users (% of total attacks)
* Percentage among all unique Kaspersky users worldwide who were attacked by this malware
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