Name : winsys.exe
Path : %SYSTEM%\winsys.exe
type : Internet
Name : W32.Bagle.K@mm
Alias : I-Worm/Bagle.K, W32/Bagle.K@MM
, Bagle.K, W32/Bagle-K, WORM_BAGLE.K
level : Low
is the main component dropped by Bagle.K. It is a
mass mailing worm, uses e-mail addresses
collected from .wab, .txt, .htm, .html, .wab, .txt,
.msg, .htm, .xml, .dbx, .mdx, .eml, .nch, .mmf, .ods,
.cfg, .asp, .php, .pl, .adb, .tbb, .sht, .uin,
and .cgi files to distribute infected messages.
Bagle worm arrives as an e-mail attachment. The
infected attachment will be a password protected
ZIP file or an executable file with PIF extension.
This variant will not spread after 25th April
infected mail from address will be one of the
domain name >
administration@< domain name >
staff@< domain name >
noreply@< domain name >
support@< domain name >
infected mail subject will be one of the
account security warning.
Notify about using the e-mail account.
Warning about your e-mail account.
Important notify about your e-mail account.
Email account utilization warning.
Notify about your e-mail account utilization.
E-mail account disabling warning.
infected mail message body will contain one of
main mailing server will be temporary unavaible
for next two days,
to continue receiving mail in these days you have
to configure our free
"Your e-mail account will be disabled
because of improper using in next
three days, if you are still wishing to use it,
please, resign your
"We warn you about some attacks on your e-mail
account. Your computer may contain viruses, in
order to keep your computer and e-mail account
safe, please, follow the instructions."
"Our antivirus software has detected a large
ammount of viruses outgoing from your email
account, you may use our free anti-virus tool to
clean up your computer software."
"Some of our clients complained about the
spam (negative e-mail content) outgoing from your
e-mail account. Probably, you have been infected
by a proxy-relay trojan server. In order to keep
your computer safe, follow the instructions."
When the worm file is
executed, it copies itself to Windows system
folder as "winsys.exe" in the
background. It also copies itself as winsys.exeopen,
modifies registry run section to load
automatically on the next startup. The registry
modification is given below.
By default, %SYSTEM% will be C:\Windows\System in
case of Windows 95/98/ME, C:\Winnt\System32 in
case of Windows NT/2000 and C:\Windows\System32
in case of Windows XP ]
Bagle.K searches C to Z
drives and copies itself to folders containing
the string "share" or "sharing".
This string search allows the worm to spread
using file sharing networks like KaZaA and imesh.
The worm uses following files names from the list
Office 2003 Crack, Working!.exe
Microsoft Office XP working Crack, Keygen.exe
Microsoft Windows XP, WinXP Crack, working Keygen.exe
Porno Screensaver.scr Porno, sex, oral, anal cool,
Porno pics arhive, xxx.exe Serials.txt.exe
Windown Longhorn Beta Leak.exe Windows Sourcecode
XXX hardcore images.exe
Opera 8 New!.exe
WinAmp 5 Pro Keygen Crack Update.exe
WinAmp 6 New!.exe
Matrix 3 Revolution English Subtitles.exe
Adobe Photoshop 9 full.exe
Ahead Nero 7.exe
Bagle.K worm uses its own
SMTP engine to send infected messages. The worm
tries to terminate security programs in the
infected system. Bagle.K worm will not send
infected mails to the following e-mail addresses
Bagle.K contains backdoor
abilities and it opens TCP port 2745. It allows
hackers to upload files in the infected computer.
Bagle.K tries to download a PHP script ( scr.php
) from the following sites
How can I protect my
Solo has incorporated
winsys.exe in its signature file to protect users
from this worm attack. Solo antivirus registered
users are already protected from this Worm. Make
sure that you have installed registered version
of Solo Antivirus to protect your system from all
to remove this Worm?
you are already infected with winsys.exe process,
you can remove it from your computer using Solo
Antivirus software. Use the
following link to Download 30 day trial
version of Solo antivirus to remove
viruses from your computer.
Solo anti-virus not only
scans for all viruses, it contains a unique System
Integrity Checker to protect you from
New Internet Worms, Backdoors and
malicious VB, Java Scripts. It also
effectively removes all existing Internet Worms,
File viruses, malicious VB, Java scripts, Trojans,
Backdoors, boot sector, partition table and macro
purchase Solo antivirus using the link