Here it is:
https://github.com/downloads/samr7/vanitygen/vanitygen-0.22-win.zip
Here is another one:
https://dl.dropboxusercontent.com/u/57535575/vanitygen-win32-bin.zip
From this message on this thread: (page 63)
https://bitcointalksearch.org/topic/m.2296814
The last few pages have the lifeboat version that works with modern GPUs.
I use the second one.
2011-10-25 21:26 PM 80,910 cyggcc_s-1.dll
2012-12-02 21:38 PM 264,733 cygpcre-1.dll
2013-04-19 01:40 AM 2,862,841 cygwin1.dll
2013-05-09 14:21 PM 74,269 cygz.dll
2013-05-28 09:11 AM 288 md5sums
2013-05-28 09:11 AM 336 sha1sums
2013-05-28 09:02 AM 171,408 vanitygen.exe
8 File(s) 5,008,705 bytes
type md5sums
8302cde3200c164893186c12dc0b2a93 *vanitygen.exe
dea20efb451b020e8caf501fd2fa621c *cygcrypto-1.0.0.dll
ff1396fa884db6433665e2232e3fe8ad *cyggcc_s-1.dll
f7f0a105630e489b3e28a4d7fcd31948 *cygpcre-1.dll
ec11de939e772ff4bb98f23eaf853046 *cygwin1.dll
eb298351125d6d1d244126c874a0e450 *cygz.dll
type sha1sums
f1d0233b2b8650f59929c2397e8c723df26402b2 *vanitygen.exe
b69917926572828e21304480d2521e6c4c585bc7 *cygcrypto-1.0.0.dll
a1c910ee00dd9d635d2abad40996e116e906aa85 *cyggcc_s-1.dll
19af0ca6d374c4430a3f08ebd068155848cac9a7 *cygpcre-1.dll
f0e4fca8716402be2f95f95d3d70d978a2727a01 *cygwin1.dll
5f5394b8affc03416befa54a5f953139d9f573f6 *cygz.dll
Just confirming the md5 and sha1 sums are as advertised. Confirming that the zip md5 and sha1 are also as stated.