Are recent versions prior to December clean? I'm using a version from August 2017.
Yes,
Website was not compromised until around Dec 7th as far as we can tell.
Everything prior to that should be safe.
If you want to check
Download Generated by MD5 & SHA Checksum Utility @ http://raylin.wordpress.com/downloads/md5-sha-1-checksum-utility
Zeitcoin-qt.exe DNS Seed Version (Last Version)
MD5 Checksum: F760A679B086CEA7FA4FA0F0448B5906
SHA-1 Checksum: DFDC8DCB8F9959CFD8639D3FAE5BA5B2B113FC4A
SHA-256 Checksum: 23E0E002A3FBBDD8EB174084EF9E7DC29F318DAE3196DE9A2C9271B60464525F
SHA-512 Checksum: 3140F7553E34BC22A1D791D162382205986B43EC93259A69E13CD7E70C214CAB01B3CB42F3346B0 6DCEBC6EAA46DA62395B26B3A1BC481E746F117CB2DA71116
The older ZEIT Wallet that used IRC was Zeitcoin-qt.exe 7-7-2017
It is also safe , here are it checksums.
MD5 Checksum: FBB3F215B9A8C91C374D98709DAD3450
SHA-1 Checksum: D3E5E137D328A7D6C7767981836B91DB5BFE55E6
SHA-256 Checksum: 63FDE7CFB6A457BEBC401BAB679EBE463464C301FDD09E3720F4F85150AEF94A
SHA-512 Checksum: 7D76D64DB1EED95F0B5FFCBAC03911B9D105BC1A53AA754EC376190ABA16A8C352ECD15B7BCDEA5 2686B9C54980CBF8128EF0D4221900C733F387075ACA099A0
