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Ransomware attacks are typically carried out using a Trojan, entering a system through, for example, a malicious attachment, an embedded link in a phishing email, or a vulnerability in a network service. The program then runs a payload, which locks the system in some fashion, or claims to lock the system but does not (e.g., a scareware program).
An example message with Locky as an attachment is the following: Dear (random name): Please find attached our invoice for services rendered and additional disbursements in the above-mentioned matter. Hoping the above to your satisfaction, we remain. Sincerely, (random name) (random title)
Locker ransomware just locks down a computer system without encrypting its contents, whereas crypto ransomware locks down a system and encrypts its contents. For example, programs such as CryptoLocker encrypt files securely, and only decrypt them on payment of a substantial sum of money.
The CryptoLocker ransomware attack was a cyberattack using the CryptoLocker ransomware that occurred from 5 September 2013 to late May 2014. The attack utilized a trojan that targeted computers running on Microsoft Windows , [ 1 ] and was believed to have first been posted to the Internet on 5 September 2013. [ 2 ]
Snowden states that when "NSA-enabled ransomware eats the Internet, help comes from researchers, not spy agencies" and asks why this is the case. [ 171 ] [ 175 ] [ 176 ] Adam Segal , director of the digital and cyberspace policy program at the Council on Foreign Relations , stated that "the patching and updating systems are broken, basically ...
Rensenware is unusual as an example of ransomware in that it does not request the user pay the creator of the virus to decrypt their files, instead requiring the user to achieve a required number of points in the bullet hell game Touhou Seirensen ~ Undefined Fantastic Object before any decryption can take place.
A logic bomb is a piece of code intentionally inserted into a software system that will set off a malicious function when specified conditions are met. For example, a programmer may hide a piece of code that starts deleting files (such as a salary database trigger), should they ever be terminated from the company.
Ransomware as a service (RaaS) is a cybercrime business model where ransomware operators write software and affiliates pay to launch attacks using said software. [1] Affiliates do not need to have technical skills of their own but rely on the technical skills of the operators.