They would normally look like this,
Attached Files
File Type: txt log.txt (13.0 KB, 0 views)
File Type: log hijackthis.log (10.6 KB, 1 views)
File Type: txt Report-Scan-20080227-093115.txt (508 Bytes, 0 views)
whereas your are just like this
1 log.txt
1hijackthis.log
Report-Scan-20080227-080505.txt
Dont know, just seemed a bit different.