![]() ![]() If the redirected user is running Internet Explorer, the exploit kit will attempt to exploit the Windows CVE-2018-8174 VBScript vulnerability to install the malware payload. The malvertising campaign carried out by attackers will include JavaScript that redirects users through a serious of decoy sites before landing on the site hosting Fallout. In November 2018, Fallout exploit kit was found exploiting known vulnerabilities in Windows to distribute various malware variants such as DanaBot banking trojan, Nocturnal info stealer malware, and GlobeImposter ransomware. This ransom note contains instructions on how to pay the ransom and contact the affiliate at or Nocturnal, and GlobeImposter While encrypting, the ransomware leaves a ransom note named ‘How to Decrypt Files-.html’. Once the ransomware is installed, victims files are then encrypted and renamed to a random name with a random extension. The exploit kit then exploits the Windows VBScript vulnerability CVE-2018-8174 to install Kraken Cryptor ransomware. As usual, users were redirected several times before landing on the site hosting Fallout exploit kit. In October 2018, Fallout started pushing Kraken Cryptor ransomware version 1.5 and 1.6. The ransom note asks victims to contact the attackers at or for payment instructions. While encrypting, the ransomware leaves a ransom note in each folder ‘!!!SAVE_FILES_INFO!!!.txt’. The victims’ files are then encrypted with the. The exploit kit will then automatically download and install SAVEfiles ransomware onto victim’s PCs. The advertisement redirects the user several times before landing on the site hosting Fallout exploit kit. In September 2018, Fallout exploit kit was spotted distributing SAVEfiles ransomware in a malvertising campaign affecting users in Japan, France, and more. ![]() Researchers also observed Fallout exploiting vulnerabilities CVE-2018-4878 and CVE-2018-8174 in a malvertising campaign distributing GandCrab ransomware. Researchers noted that this campaign has triggered alerts from customers in government, telecommunication, and healthcare sectors. The malvertisement either delivers Fallout exploit kit or attempts to redirect the user to other social engineering campaigns based on the browser and operating system, from where it tricks users to download malicious software. ![]() The user is then redirected from a legitimate advertising page to the exploit kit landing page URL. The exploit kit fingerprints the user browser profile and delivers malicious content if the user profile matches a target of interest. Researchers from FireEye noted Fallout exploit kit distributing GandCrab Ransomware. ![]() The exploit kit was further spotted distributing SAVEfiles ransomware, Kraken Cryptor ransomware, DanaBot trojan, Nocturnal malware, GlobeImposter ransomware, AZORult variants, Vidar malware, and more. The exploit kit was observed distributing GandCrab ransomware to users in the Middle East. Later, the exploit kit was spotted distributing GandCrab ransomware, SAVEfiles ransomware, Kraken Cryptor ransomware, DanaBot trojan, Nocturnal malware, GlobeImposter ransomware, AZORult variants, Vidar malware, and more.įallout exploit kit was first discovered in the late August 2018 in a malvertising campaign affecting users in Japan, Korea, the Middle East, Southern Europe, and more.Fallout exploit kit was first spotted in a malvertising campaign affecting users in Japan, Korea, the Middle East, Southern Europe, and more. ![]()
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