Baidu Antivirus Brings Down CTB-Locker - A Ransomware Virus That Wreaked Havoc Around the World


Recently, Baidu Antivirus Security Center has alerted all of its users about a ransomware virus named CTB-Locker that has been showing up on computers worldwide. When a user's computer is infected, classified company files, private photos, and other important data on the computer are automatically encrypted by the virus. If a victim refuses to pay a ransom fee of $939 USD, their encrypted files can no longer be opened. At present, Baidu Antivirus Security Center can already intercept the CTB-Locker ransomware virus before it infects a user's computer.

According to Baidu Antivirus security experts, the CTB-Locker virus had already spread around the world as early as 2014, mainly by way of attachments in spam emails. Users unzipped the attachment and executed a file with the extension .SCR, which they unwittingly mistook for a screensaver file, not realizing the true threat posed by the file.

For corporations in which email communication is common, the virus is triggered the moment employees click on it. At that point, files such as .docx, .pdf, .xlsx, .jpg, etc. are maliciously encrypted, making them impossible to be opened normally. This can lead to loss of contracts, orders, and other corporate data, ultimately resulting in a huge financial (and personal) risk.

 Baidu Antivirus Security Center statistics indicate that over the course of one day recently, 224 of the newest variants of the ransomware virus family were intercepted by Baidu Antivirus, thus helping save over 1,000 users worldwide from attack. Currently, ransomware viruses – including CTB-Locker – have spread primarily in Indonesia, Brazil and Thailand, as well as other regions.

For now, users can protect themselves against the CTB-Locker ransomware virus by enabling the real-time protection function in Baidu Antivirus. To ensure data security, Baidu Antivirus Security Center recommends the following:

1. Do not click .exe, .scr, .com, .bat, and other executable programs found in emails.

2. Ensure that you back up your critical data (if you use a mobile device to backup data, disconnect your device from the network immediately after backing up). Get into the habit of regularly backing up your data.

3. Keep your security software updated to safeguard against viruses and Trojans.

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