ZeuS/ZBot is an infamous family of malware composed of banking Trojans. These are designed to infiltrate a computer system, silently lurk in the victim's computer, detect any banking-related activity, and then relay this information to a remote server. The ZeuS/ZBot malware infection is also associated with a vast botnet, that is, a network of infected computer systems which a criminal can control in order to perform coordinated attacks using all the infected computers. Botnets such as these can be used to send out large quantities of spam email (which has often been used to spread malware in the ZeuS/ZBot family) or to perform distributed denial of service attacks on particular targets. The ZeuS/ZBot family of malware is often distributed through social engineering email attacks, usually phishing email scams spoofing email addresses belonging to courier companies, airlines, banking institutions, and many other sources. These emails will usually contain a link to an attack website or an attached file containing the ZeuS/ZBot infection itself.
The ZeuS/ZBot family has also been linked to the blackhole exploit kit, usually used to set up websites that attempt to exploit dozens of vulnerabilities at once in order to infect the victim's computer system with a ZeuS/ZBot infection. Since the ZeuS/ZBot infection is silent, it can be quite a problem for its victims. Often, the only symptom of a ZeuS/ZBot infection is in its detection by a reliable anti-malware scanner. Because of this, making sure that your security program is up-to-date and that you scan your system periodically should be a top priority.
A Recent Attack Involving the ZeuS/ZBot Trojan Family
ESG malware analysts detected a string of attacks involving the ZeuS/ZBot banking Trojan family. These attacks involved spam email messages claiming to contain details on the victim's flight reservations, usually spoofing the logos and email addresses of well-known airlines like US Airways or American Airlines. These emails claim to have the victim's confirmation code and flight, as well as a link that supposedly allows the victim to view their reservation online. However, clicking on this link takes the victim to an attack website using the BlackHole Exploit Kit in order to install the ZeuS/ZBot Trojan on the victim's computer system. This does not happen directly; first, an executable file is downloaded onto the victim's computer system. This executable, also known as a "downloader" Trojan, then connects to a remote server and downloads and installs the ZeuS/ZBot infection itself.
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Security Doesn't Let You Download SpyHunter or Access the Internet?Solutions: Your computer may have malware hiding in memory that prevents any program, including SpyHunter, from executing on your computer. Follow to download SpyHunter and gain access to the Internet:
- Use an alternative browser. Malware may disable your browser. If you're using IE, for example, and having problems downloading SpyHunter, you should open Firefox, Chrome or Safari browser instead.
- Use a removable media. Download SpyHunter on another clean computer, burn it to a USB flash drive, DVD/CD, or any preferred removable media, then install it on your infected computer and run SpyHunter's malware scanner.
- Start Windows in Safe Mode. If you can not access your Window's desktop, reboot your computer in "Safe Mode with Networking" and install SpyHunter in Safe Mode.
- IE Users: Disable proxy server for Internet Explorer to browse the web with Internet Explorer or update your anti-spyware program. Malware modifies your Windows settings to use a proxy server to prevent you from browsing the web with IE.
This article is provided "as is" and to be used for educational information purposes only. By following any instructions on this article, you agree to be bound by the disclaimer. We make no guarantees that this article will help you completely remove the malware threats on your PC. Spyware changes regularly; therefore, it is difficult to fully clean an infected machine through manual means.