Posts Tagged ‘decryption’

Cryptolocker Wants Your Money!

Oct

2013

You may have read about the Cryptolocker malware, a new ransomware Trojan that encrypts your files and demands money to return them.In the past, we have witnessed similar malware like the famous GPCode that used RSA keys for encryption. Back in 2008, we cracked the 660 bit RSA key used by GPCode and provided the […]

Category General Written by Securelist / Blog 0 Comments

Avatar rootkit: the continuing saga

Aug

2013

Back at the beginning of May we posted preliminary information about Win32/Rootkit.Avatar rootkit (Mysterious Avatar rootkit with API, SDK, and Yahoo Groups for C&C communication). One of the major questions not covered in that previous research was this: What payload and plugins does Avatar install onto infected machines? We continue our research and are still […]

Category General Written by We Live Security 0 Comments

Lockscreen Win32:Lyposit displayed as a fake MacOs app

May

2013

When the mastermind hackers of the notorious Carberp Banking Trojan were arrested, we thought the story had ended. But a sample that we received on May 7th, a month after the arrests, looked very suspicious. It connected to a well known URL pattern and it really was the Carberp Trojan. Moreover, the domain it connected […]

Category General Written by Avast! blog 0 Comments

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Posts Tagged ‘decryption’

Cryptolocker Wants Your Money!

Lockscreen Win32:Lyposit displayed as a fake MacOs app

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