Hi,

In addition to previous mails about Mimail.C(G):
I use clamav with amavis-perl and amavis-ng. With both I have the same
problem. Virus is not detected in mail. But when i save attachment:
shark% clamscan photos.zip (here clamav with amavis-perl)
photos.zip: Worm.Mimail.C FOUND

----------- SCAN SUMMARY -----------
Known viruses: 9922
Scanned directories: 0
Scanned files: 1
Infected files: 1
Data scanned: 0.01 Mb
I/O buffer size: 131072 bytes
Time: 0.759 sec (0 m 0 s)

On other machine (clamav 0.54, later also 0.60 and amavis-ng) in amavis
log i got:
amavis[49413]:
/home/amavis/tmp/amavis-unpack-3fa949d0-c105/parts/00000000: OK
amavis[49413]:
/home/amavis/tmp/amavis-unpack-3fa949d0-c105/parts/00000001: File size
limit exceeded.
amavis[49413]:
/home/amavis/tmp/amavis-unpack-3fa949d0-c105/parts/00000002: Empty file.
amavis[49413]: ----------- SCAN SUMMARY -----------
amavis[49413]: Known viruses: 9922
amavis[49413]: Scanned directories: 1
amavis[49413]: Scanned files: 2
amavis[49413]: Infected files: 0
amavis[49413]: Data scanned: 0.02 Mb
amavis[49413]: I/O buffer size: 131072 bytes
amavis[49413]: Time: 0.575 sec (0 m 0 s)
amavis[49413]: End output from /usr/local/bin/clamscan
amavis[49413]: Return code 0

So, I checked manually part 00001 and clamscan did not find virus (File
size limit exceeded occured). Clamscan --disable-archive 00001 found
Mimail.C and there was no error.
But when I copy 00001 to another file with zip or rar extension, eg. 1.zip
or 1.rar, then i got:
rak# cp 00000001 1.zip
rak# clamscan 1.zip
1.zip: File size limit exceeded.
1.zip: Worm.Mimail.C FOUND

----------- SCAN SUMMARY -----------
Known viruses: 9922
Scanned directories: 0
Scanned files: 2
Infected files: 1
Data scanned: 0.01 Mb
I/O buffer size: 131072 bytes
Time: 0.576 sec (0 m 0 s)

There is also error, but virus is found.
As i read in other posts, the file has bad header. I unzipped this file
(photos.jpg.exe) and clamscan found the virus.

Is there any way to solve the problem? Maybe i should add
--disable-archive in amavis config. But what with other archives then?

Best regards,
Pawel Adamczyk



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