World Download provider results:
mass downloader 3.6.full.rar :: 2011-07-14 :: Speed: 989 Kb/s
mass downloader 3.6 [FullVersion] :: 2011-07-10 :: Speed: 1829 Kb/s
[HIGHSPEED] mass downloader 3.6 :: 2011-07-13 :: Speed: 689 Kb/s
[TRUSTED DOWNLOAD] mass downloader 3.6 :: 2011-07-15 :: Speed: 836 Kb/s
TORRENT.CD DOWNLOAD mass downloader 3.6 :: 2010-10-15 :: Speed: 1537 Kb/s

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Crackdb.com results:
Mass Downloader 3.3.681 :: 64 Kb :: 7.05.07
Mass Downloader 3.3.681 :: 64 Kb :: 7.05.07
Mass Downloader 3.3.681 SILENT UPDATE :: 65 Kb :: 2.07.07
Mass Downloader 3.3.691 SR1 :: 71 Kb :: 9.08.07
Mass downloader 3.3.698 sr2 :: 949 Kb :: 9.02.08
Mass Downloader 3.6.759 :: 80 Kb :: 31.01.09
Mass Downloader 3.6.759 SILENT UPDATE 20090127EXE :: 1377 Kb :: 31.01.09
MetaProducts Mass Downloader v3.3.681 By AT4RE :: 149 Kb :: 15.07.07
MetaProducts Mass Downloader v3.6.759 and Keymaker :: 265 Kb :: 8.11.08

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SerialNews.com results:
MetaProducts Mass Downloader v3.6.759 and Keymaker-ZWT :: 160 b :: 8.11.08