The vx-underground malware families collection is temporarily available for bulk download. - 222GB (compressed) - 234GB (uncompressed) - 123,915 malware samples - 763 malware families - Password: infected For people who are unhappy with the download speed on vx-underground: if you use a download manager, like Internet Download Manager (or uGet on Linux), and set the download to 10 threads+, you can get download with speeds as high as 400MiB/s. You can download the entire family collection is less than 10 minutes. Download: vx-underground.org/tmp