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Crimeware (as distinct from spyware and adware) is designed to perpetrate identity theft through social engineering or technical stealth in order to access a computer user's financial and retail accounts for the purpose of taking funds from those accounts or completing unauthorized transactions that enrich the cyberthief. Alternatively, crimeware may steal confidential or sensitive corporate information. Crimeware represents a growing problem in network security as many malicious code threats seek to pilfer confidential information.
The term Crimeware was first coined by David Jevans in February 2005 in an Anti-Phishing Working Group  response to the FDIC article "Putting an End to Account-Hijacking Identity Theft"  which was published on Dec 14, 2004.
Criminals use a variety of techniques to steal confidential data through crimeware, including through the following methods:
- Surreptitiously install keystroke loggers to collect sensitive data—login and password information for online bank accounts, for example—and report them back to the thief.
- Redirect a user's web browser to a counterfeit website controlled by the thief even when the user types the website's proper domain name in the address bar.
- Steal passwords cached on a user's system.
- Hijack a user session at a financial institution and drain the account without the user's knowledge.
- Enable remote access into applications, allowing criminals to break into networks for malicious purposes.
- Encrypt all data on a computer and require the user to pay a ransom to decrypt it (ransomware).
Crimeware threats can be installed on victims' computers through multiple delivery vectors, including:
- Vulnerabilities in Web applications. The Bankash.G Trojan, for example, exploited an Internet Explorer vulnerability to steal passwords and monitor user input on webmail and online commerce sites.
- Targeted attacks sent via SMTP. These social-engineered threats often arrive disguised as a valid e-mail message and include specific company information and sender addresses. The malicious e-mails use social engineering to manipulate users to open the attachment and execute the payload.
- Remote exploits that exploit vulnerabilities on servers and clients
Crimeware can have a significant economic impact due to loss of sensitive and proprietary information and associated financial losses. One survey estimates that in 2005 organizations lost in excess of $30 million due to the theft of proprietary information. The theft of financial or confidential information from corporate networks often places the organizations in violation of government and industry-imposed regulatory requirements that attempt to ensure that financial, personal and confidential.
US laws and regulations include:
- Sarbanes-Oxley Act
- Health Insurance Portability and Accountability Act (HIPAA)
- Gramm-Leach-Bliley Act
- Family Educational Rights and Privacy Act
- California Senate Bill 1386
- Payment Card Industry Data Security Standard
- Metasploit Project
- MPack (software) A PHP based crimeware
- Targeted attacks
- Tiny Banker Trojan A small banking trojan
- Zeus (malware) Perhaps the best known banking trojan
- "Crimeware: Understanding New Attacks and Defenses". informit.
- "Cyberthieves Silently Copy Your Password" [The New York Times]
- Symantec Internet Security Report, Vol. IX, March 2006, p. 71
- "Protecting Corporate Assets from E-mail Crimeware Archived 2012-01-21 at the Wayback Machine." Avinti, Inc., p.1,
- CSI/FBI Computer Crime and Security Survey 2005, p.15
- Symantec Internet Security Threat Report
- Computer Security Institute (Archived: 08/08/2002 at 22:18:34)
- Real-Time Hackers Foil Two-Factor Security (Technology Review September 18, 2009)
- Cyber Crooks Target Public & Private Schools (Washington Post September 14, 2009)
- Crimeware gets worse - How to avoid being robbed by your PC (Computerworld September 26, 2009)