fwsim.exe

The program is a setup application that uses the NSIS (Nullsoft Scriptable Install System) installer. The file has been seen being downloaded from dw.uptodown.com and multiple other hosts.
MD5:
ba051ce0b720d3a99a3a70dbe756535c

SHA-1:
5ce8dffe89220345349ee2c44e4929272d707ed8

SHA-256:
2e35d27aa99e5ff2c0423a20bdcb3a8bb8860162b1f356021d08fc839db0648d

Scanner detections:
0 / 68

Status:
Clean (as of last analysis)

Analysis date:
2/25/2025 6:24:06 AM UTC  (today)

File size:
19.3 MB (20,215,145 bytes)

File type:
Executable application (Win32 EXE)

Installer:
NSIS (Nullsoft Scriptable Install System)

File PE Metadata
Compilation timestamp:
12/5/2009 11:50:52 PM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
6.0

CTPH (ssdeep):
393216:aNRbR6IsEg4RzmkjdwveGqluNV/dMo/zIpMy5OHSOCFfh:aHllvPfpluzdMobCdOG

Entry address:
0x30FA

Entry point:
81, EC, 80, 01, 00, 00, 53, 55, 56, 33, DB, 57, 89, 5C, 24, 18, C7, 44, 24, 10, 60, 91, 40, 00, 33, F6, C6, 44, 24, 14, 20, FF, 15, 30, 70, 40, 00, 68, 01, 80, 00, 00, FF, 15, B0, 70, 40, 00, 53, FF, 15, 7C, 72, 40, 00, 6A, 08, A3, 18, EC, 42, 00, E8, F1, 2B, 00, 00, A3, 64, EB, 42, 00, 53, 8D, 44, 24, 34, 68, 60, 01, 00, 00, 50, 53, 68, 98, 8F, 42, 00, FF, 15, 58, 71, 40, 00, 68, 54, 91, 40, 00, 68, 60, E3, 42, 00, E8, A4, 28, 00, 00, FF, 15, AC, 70, 40, 00, BF, 00, 40, 43, 00, 50, 57, E8, 92, 28, 00, 00...
 
[+]

Packer / compiler:
Nullsoft install system v2.x

Code size:
23.5 KB (24,064 bytes)

The file fwsim.exe has been seen being distributed by the following 7 URLs.

http://dw.uptodown.com/dwn/ePSfM6sqOoMDbuU8vSZHd7QN6ydkaxo-m7ZgCCLpp0pR9IZAZb3ZvoB1CSdF6vRY8fRNOncL9iXnfJMnLsQKpjFFkBubFblMSqwm9UVk1BklxX0gjHmzVu48foHcz8ZD/VOJnUapKKvCwPYOx1RMy5XrEWwKQA2ltVhXU0TaYwQpKnw1gQ1XBGzHmVyKNkB4a6lwsMN13ErgkkNb2CYi2-lBihiHCyDqXcoXgpkCpmI9bSriQYmHi02QBYdIPuLRR/YBA4Fd7YTcdr3G8jo5j0VMUoCIkLpmgWGje1AyvagUlM70lQCaZptPyvcn6NB5XwiZxe-9ZtLaFu18Ig9YaV9h1eBAmY9MJnEp5sdmjmirEZhDBQGqz8bV08u572ijC5/.../

http://gsf-cf.softonic.com/5ce/8df/.../file?SD_used=0&channel=WEB&fdh=no&id_file=140363&instance=softonic_fr&type=PROGRAM&Expires=1472455109&Signature=f3CgpCjdw97pUN6ODn8-0xKY7YOv83-7E37Q~j0g44JWNshvPTvwIbqxRcgQrjqs~uDFnhZPEVFjMG3uaRgIEQrAZsqcer2G8tZJVhzP4PpNPlBLpH~mpYSIooCSsJXeD4gkE8uD15Luvy4XnXNWcOE8EkvLOS-xzcpkaisDgbs_&Key-Pair-Id=APKAJUA62FNWTI37JTGQ&filename=fwsim.exe

http://gsf-cf.softonic.com/5ce/8df/.../file?SD_used=0&channel=WEB&fdh=no&id_file=140363&instance=softonic_fr&type=PROGRAM&Expires=1471394941&Signature=hNybBfvhNRd206Kyy8FQOD7hBHTB3Bkhw9RlDtAx2VcyvDrDVDKlFgiKWWn2z4fIUaIjsN~D4~-69mFSe-ayaDOf7wnzkOobMutBLhKsUDrNiIOHOcXhruKvwzpAnhoXXRABrGegdMhL1Muqueo-PngwE9m4d3Njn2SMwhxTySo_&Key-Pair-Id=APKAJUA62FNWTI37JTGQ&filename=fwsim.exe

http://www.giftchuckleflash.com/2eJV7lYHlfHWLXS3bDkIhdSe_ibxYTH25gChKDCiKLVxFGN0vC45FpU_eCtJQ3TMhRlmFukMflCnjxtV_hFyt DwOTKb3lFIJKZXLLzEIsfrZV KblQ2ti3Uekkt_sXJHWGnTKa896crHZyrF z6nCQDotC2PLKkSoIhpT8Meb_Rubvw9muQVTXM_KOs2vYOVZ3ePACs-G0wAAGTcXGs0uLikr7s2IaLMopLMts_ vvcl4IuGdd3quehwS6z9rmFBzd9o163s1ZLZxoubQcu6c7xSK5zXDzQKQbOCgFMczwA=

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