diff --git a/icu4c/source/tools/cpysearch/cpyscan.pl b/icu4c/source/tools/cpysearch/cpyscan.pl
index acb6e34050f..6692589e8ad 100755
--- a/icu4c/source/tools/cpysearch/cpyscan.pl
+++ b/icu4c/source/tools/cpysearch/cpyscan.pl
@@ -7,7 +7,7 @@
 use strict;
 
 my $icuSource = $ARGV[0];
-my $ignore = "data/out/build|CVS|\\~|\\#|Debug|Release|\\.dsp|\\.dsw|\\.opt|\\.ncb|\\.vcproj|\\.sln|\\.suo|\\.cvsignore|\\.cnv|\\.res|\\.icu|\\.exe|\\.obj|\\.exp|\\.lib|\\.out|\\.plg|positions|unidata|\\.jar|\\.spp|\\.stub|\\.policy";
+my $ignore = "data/out/build|CVS|\\~|\\#|Debug|Release|\\.dll|\\.ilk|\\.pdb|\\.dsp|\\.dsw|\\.opt|\\.ncb|\\.vcproj|\\.sln|\\.suo|\\.cvsignore|\\.cnv|\\.res|\\.icu|\\.exe|\\.obj|\\.bin|\\.exp|\\.lib|\\.out|\\.plg|positions|unidata|\\.jar|\\.spp|\\.stub|\\.policy";
 
 my $command = "find $icuSource -type f";
 my @files = `$command`;
diff --git a/icu4c/source/tools/cpysearch/cpysearch.pl b/icu4c/source/tools/cpysearch/cpysearch.pl
index bf3180989a3..135067fa6a9 100755
--- a/icu4c/source/tools/cpysearch/cpysearch.pl
+++ b/icu4c/source/tools/cpysearch/cpysearch.pl
@@ -7,7 +7,7 @@
 use strict;
 
 my $icuSource = $ARGV[0];
-my $ignore = "CVS|\\~|\\#|Debug|Release|\\.dsp|\\.dsw|\\.opt|\\.ncb|\\.vcproj|\\.sln|\\.suo|\\.cvsignore|\\.cnv|\\.res|\\.icu|\\.exe|\\.obj|\\.exp|\\.lib|\\.out|\\.plg|positions|unidata|\\.jar|\\.spp|\\.stub|\\.policy";
+my $ignore = "CVS|\\~|\\#|Debug|Release|\\.dll|\\.ilk|\\.pdb|\\.dsp|\\.dsw|\\.opt|\\.ncb|\\.vcproj|\\.sln|\\.suo|\\.cvsignore|\\.cnv|\\.res|\\.icu|\\.exe|\\.obj|\\.bin|\\.exp|\\.lib|\\.out|\\.plg|positions|unidata|\\.jar|\\.spp|\\.stub|\\.policy";
 
 my ($sec, $min, $hour, , $day, $mon, $year, $wday, $yday, $isdst) = localtime;
 $year += 1900;