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toolbar_production_100987.crxbho.exe

FreeCause, Inc.

The application toolbar_production_100987.crxbho.exe by FreeCause has been detected as a potentially unwanted program by 1 anti-malware scanner with very strong indications that the file is a potential threat. The program is a setup application that uses the Nullsoft Install System installer. The file has been seen being downloaded from client.fcrewards.com and multiple other hosts.
Publisher:
FreeCause, Inc.  (signed and verified)

MD5:
7247fb5aea0ea0d24f97dc50ed631911

SHA-1:
d8ada88961bf28ddf2ba3a9d10a74d98c27d74c9

SHA-256:
cc2b8006c716b8124f6c6802850996916aab2ef709b0973c20b9c869410fadf8

Scanner detections:
1 / 68

Status:
Potentially unwanted

Analysis date:
4/19/2024 3:10:30 PM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Optional.FreeCause.FF
14.5.13.5

File size:
610.3 KB (624,920 bytes)

File type:
Executable application (Win32 EXE)

Installer:
Nullsoft Install System

Common path:
C:\users\{user}\downloads\toolbar_production_100987.crxbho.exe

Digital Signature
Signed by:
FreeCause, Inc.

Authority:
VeriSign, Inc.

Valid from:
3/19/2012 5:00:00 PM

Valid to:
4/26/2015 4:59:59 PM

Subject:
CN="FreeCause, Inc.", OU=Digital ID Class 3 - Microsoft Software Validation v2, O="FreeCause, Inc.", L=Boston, S=Massachusetts, C=US

Issuer:
CN=VeriSign Class 3 Code Signing 2010 CA, OU=Terms of use at https://www.verisign.com/rpa (c)10, OU=VeriSign Trust Network, O="VeriSign, Inc.", C=US

Serial number:
605E5D633DE88751BF7880C36287931F

File PE Metadata
Compilation timestamp:
12/17/2010 1:14:15 AM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
2.56

CTPH (ssdeep):
12288:PGE76KI/ukSebk5Lhew9GumfYwR+Q++/v1OwHOw61Z6jOukSf:PGu6KI/jSuAhDRiYwR+Q+EOwhjOjSf

Entry address:
0x37D4

Entry point:
55, 89, E5, 57, 56, 53, 81, EC, 7C, 01, 00, 00, E8, 8B, 46, 00, 00, 83, EC, 0C, 68, 01, 80, 00, 00, E8, 2E, 43, 00, 00, 6A, 00, E8, 9F, 46, 00, 00, 6A, 08, A3, 48, 3C, 42, 00, E8, AB, 28, 00, 00, 6A, 00, 68, 60, 01, 00, 00, A3, F8, 3C, 42, 00, 8D, 85, 90, FE, FF, FF, 50, 6A, 00, 68, 4C, 92, 40, 00, E8, E4, 45, 00, 00, 83, EC, 0C, 68, 4D, 92, 40, 00, 68, 28, 3D, 42, 00, E8, E9, 2A, 00, 00, 83, C4, 18, E8, EA, 42, 00, 00, 52, 52, 50, 68, 00, C0, 42, 00, E8, D4, 2A, 00, 00, 57, 6A, 00, E8, 2D, 42, 00, 00, 83...
 
[+]

Entropy:
7.9471  (probably packed)

Code size:
28 KB (28,672 bytes)

The file toolbar_production_100987.crxbho.exe has been seen being distributed by the following 3 URLs.

http://client.fcrewards.com/.../download.php?toolid=100987&username=2402002964

http://client.fcrewards.com/.../download.php?toolid=100987&username=2412014314

https://s3.amazonaws.com/.../Toolbar_production_100987.crxbho.exe

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