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toolbar_production_100967.crxbho.exe

FreeCause, Inc.

The application toolbar_production_100967.crxbho.exe by FreeCause has been detected as a potentially unwanted program by 2 anti-malware scanners. 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:
60a3c0e3a891bbfdbc904da9637b3e64

SHA-1:
6b43cd18d1db9b41b9d35a4a9db57b6724f13063

SHA-256:
151ebecb3f75d1ec847098f84addddea67da7d3b9133336d174209cd24336823

Scanner detections:
2 / 68

Status:
Potentially unwanted

Analysis date:
4/26/2024 11:20:14 PM UTC  (a few moments ago)

Scan engine
Detection
Engine version

NANO AntiVirus
Trojan.Win32.Agent.crkzeu
0.28.0.57029

Reason Heuristics
PUP.Optional.FreeCause.FF
14.11.9.11

File size:
628.6 KB (643,688 bytes)

File type:
Executable application (Win32 EXE)

Installer:
Nullsoft Install System

Common path:
C:\users\{user}\downloads\toolbar_production_100967.crxbho.exe

Digital Signature
Signed by:
FreeCause, Inc.

Authority:
VeriSign, Inc.

Valid from:
3/20/2012 11:00:00 AM

Valid to:
4/27/2015 9:59:59 AM

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:
1/6/2012 5:21:09 AM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
2.22

CTPH (ssdeep):
12288:cI3zsmrukSe1ik5Lhew9GumfYwR+Q++/v1+nQ9EvkmYYukSlB:cIomrjSDAhDRiYwR+Q+5Q9gYYjSr

Entry address:
0x4109

Entry point:
55, 89, E5, 57, 56, 53, 81, EC, AC, 01, 00, 00, FF, 15, 74, 93, 42, 00, C7, 04, 24, 01, 80, 00, 00, FF, 15, 58, 94, 42, 00, 53, C7, 04, 24, 00, 00, 00, 00, FF, 15, 98, 94, 42, 00, 56, A3, 30, 7B, 42, 00, C7, 04, 24, 08, 00, 00, 00, E8, 8B, 3B, 00, 00, A3, 8C, 7B, 42, 00, 8D, 85, 84, FE, FF, FF, 57, C7, 44, 24, 10, 00, 00, 00, 00, C7, 44, 24, 0C, 60, 01, 00, 00, 89, 44, 24, 08, C7, 44, 24, 04, 00, 00, 00, 00, C7, 04, 24, A9, B2, 40, 00, FF, 15, AC, 94, 42, 00, 83, EC, 14, C7, 44, 24, 04, AA, B2, 40, 00, C7...
 
[+]

Entropy:
7.9334  (probably packed)

Code size:
34 KB (34,816 bytes)

The file toolbar_production_100967.crxbho.exe has been seen being distributed by the following 4 URLs.

http://client.fcrewards.com/.../download_coles.php?toolid=100967&username=U4Vaqzg7f6HfqlLDpUeeY59tW0aCrQ0UmmjO225BIdQsLOvCNW4TTl3q2B6uzIyD2RLoysEz1LCZYqhM

https://s3.amazonaws.com/.../Toolbar_production_100967.crxbho.exe

http://client.fcrewards.com/.../download_coles.php?toolid=100967&username=j3xUBl7DgZDY7gQC4XGrwBmThu15h9s0uDfG8G4Hpmj4LQyOV2ykrzU2mY4h76VVlCtdtfYwB8SGOYTq

http://client.fcrewards.com/.../download_coles.php?toolid=100967&username=

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