Trojan-Banker.Win32.Shiotob

Parent class: TrojWare

Trojans are malicious programs that perform actions which are not authorized by the user: they delete, block, modify or copy data, and they disrupt the performance of computers or computer networks. Unlike viruses and worms, the threats that fall into this category are unable to make copies of themselves or self-replicate. Trojans are classified according to the type of action they perform on an infected computer.

Class: Trojan-Banker

Trojan-Banker programs are designed to steal user account data relating to online banking systems, e-payment systems and plastic card systems. The data is then transmitted to the malicious user controlling the Trojan. Email, FTP, the web (including data in a request), or other methods may be used to transit the stolen data.

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Platform: Win32

Win32 is an API on Windows NT-based operating systems (Windows XP, Windows 7, etc.) that supports execution of 32-bit applications. One of the most widespread programming platforms in the world.

Description

Trojan-Banker.Win32.Shiotob is a banking Trojan also known as URLZone and Bebloh. Most often spread in email attachments, this malware was first discovered in 2009. Trojan-Banker.Win32.Shiotob has the following main capabilities: • Stealing passwords from FTP clients and email • Sending the URLs of websites that have been visited by the user • Taking and sending screenshots • Substituting web page contents • Stealing data entered in browser forms • Sending the Windows address book • Downloading and running other malware The addresses of additional command-and-control servers are generated using the main server addresses coded in the body of the Trojan itself. Server communication uses secure HTTPS with additional AES encryption and RSA encryption for key exchange. The Trojan is notable in that it runs only in the memory of other processes, such as a web browser, FTP client, or Windows file manager. All changes by the malware to the Registry and the hard disk occur only when the computer is restarted or shut down.

Top 10 countries with most attacked users (% of total attacks)

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