Statistics

ASEC Weekly Malware Statistics (December 26th, 2022 – January 1st, 2023)

The ASEC analysis team uses the ASEC automatic analysis system RAPIT to categorize and respond to known malware. This post will list weekly statistics collected from December 26th, 2022 (Monday) to January 1st, 2023 (Sunday). For the main category, downloader ranked top with 48.8%, followed by backdoor with 24.2%, Infostealer with 18.4%, CoinMiner with 4.8%, ransomware with 3.4%, and lastly banking malware with 0.5%. Top 1 – SmokeLoader SmokeLoader is an Infostealer/downloader malware that is distributed via exploit kits. This…

ASEC Weekly Phishing Email Threat Trends (December 18th, 2022 – December 24th, 2022)

The ASEC analysis team monitors phishing email threats with the ASEC automatic sample analysis system (RAPIT) and honeypot. This post will cover the cases of distribution of phishing emails during the week from December 18th, 2022 to December 24th, 2022 and provide statistical information on each type. Generally, phishing is cited as an attack that leaks users’ login account credentials by disguising as or impersonating an institute, company, or individual through social engineering methods. On a broader note, the act…

ASEC Weekly Malware Statistics (December 19th, 2022 – December 25th, 2022)

The ASEC analysis team uses the ASEC automatic analysis system RAPIT to categorize and respond to known malware. This post will list weekly statistics collected from December 19th, 2022 (Monday) to December 25th, 2022 (Sunday). For the main category, Infostealer ranked top with 37.3%, followed by downloader with 35.7%, backdoor with 23.9%, and ransomware with 3.1%. Top 1 – BeamWinHTTP BeamWinHTTP is a downloader malware that ranked top with 23.3%. The malware is distributed via malware disguised as PUP installer….

ASEC Weekly Phishing Email Threat Trends (December 11th, 2022 – December 17th, 2022)

The ASEC analysis team monitors phishing email threats with the ASEC automatic sample analysis system (RAPIT) and honeypot. This post will cover the cases of distribution of phishing emails during the week from December 11th, 2022 to December 17th, 2022 and provide statistical information on each type. Generally, phishing is cited as an attack that leaks users’ login account credentials by disguising as or impersonating an institute, company, or individual through social engineering methods. On a broader note, the act…

ASEC Weekly Malware Statistics (December 12th, 2022 – December 18th, 2022)

The ASEC analysis team uses the ASEC automatic analysis system RAPIT to categorize and respond to known malware. This post will list weekly statistics collected from December 12th, 2022 (Monday) to December 18th, 2022 (Sunday). For the main category, downloader ranked top with 61.9%, followed by Infostealer with 24.7%, backdoor with 12.5%, and ransomware with 0.9%. Top 1 – SmokeLoader SmokeLoader is an Infostealer/downloader malware that is distributed via exploit kits. This week, it ranked first place with 28.9%. Like…