limberjack_downloader_by_downloadfreefontscom.exe

Somoto Ltd.

Somoto uses a monetization platform known as the 'Better Installer' to provide the ability of 3rd party developers to bundle various adware packages through an affiliate pay-per-install program. The application limberjack_downloader_by_downloadfreefontscom.exe, “Powered by BetterInstaller” by Somoto has been detected as adware 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 Somoto BetterInstaller installer. The file has been seen being downloaded from d3uz7uh0uqagtb.cloudfront.net.
Publisher:
Somoto Ltd.  (signed and verified)

Description:
Powered by BetterInstaller

Version:
2.1.0.0

MD5:
e4c7e3943d308e0a638ed814b27a8163

SHA-1:
3aab1956c4140f958dfa1e71f85d3c456fee0f3d

SHA-256:
26dca75026f06bdca4cccc3ee4d5580d885928861eb64dfce18e7ac82c00b199

Scanner detections:
1 / 68

Status:
Adware

Note:
Our current pool of anti-malware engines have not currently detected this file, however based on our own detection heuristics we feel that this file is unwanted.

Description:
This 'download manager' is also considered bundleware, a utility designed to download software (possibly legitimate or opensource) and bundle it with a number of optional offers including ad-supported utilities, toolbars, shopping comparison tools and browser extensions.

Analysis date:
9/19/2018 8:30:42 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Somoto.Bundler (M)
16.7.1.18

File size:
159.6 KB (163,416 bytes)

File type:
Executable application (Win32 EXE)

Bundler/Installer:
Somoto BetterInstaller

Language:
Language Neutral

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

Digital Signature
Signed by:

Authority:
COMODO CA Limited

Valid from:
9/20/2011 5:30:00 AM

Valid to:
9/20/2014 5:29:59 AM

Subject:
CN=Somoto Ltd., O=Somoto Ltd., STREET=PO Box 58096, L=Tel Aviv, S=--, PostalCode=61580, C=IL

Issuer:
CN=COMODO Code Signing CA 2, O=COMODO CA Limited, L=Salford, S=Greater Manchester, C=GB

Serial number:
00841D099D16B738F34172FEEFE1D2574F

File PE Metadata
Compilation timestamp:
12/17/2010 2:44:12 PM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
2.56

CTPH (ssdeep):
3072:222ihA0m3BJf0A8rnyOqebFkw1oBpkxAjDF6u3aKwPeqyPKSHqUJYc:pA0m3T0AoqEF/BspP3IGqNxc

Entry address:
0x39AC

Entry point:
55, 89, E5, 57, 56, 53, 81, EC, 7C, 01, 00, 00, E8, 97, 46, 00, 00, 83, EC, 0C, 68, 01, 80, 00, 00, E8, 42, 43, 00, 00, 6A, 00, E8, AB, 46, 00, 00, 6A, 08, A3, 88, 4C, 42, 00, E8, B1, 28, 00, 00, 6A, 00, 68, 60, 01, 00, 00, A3, 38, 4D, 42, 00, 8D, 85, 90, FE, FF, FF, 50, 6A, 00, 68, A4, A2, 40, 00, E8, F0, 45, 00, 00, 83, EC, 0C, 68, A5, A2, 40, 00, 68, 68, 4D, 42, 00, E8, EF, 2A, 00, 00, 83, C4, 18, E8, FE, 42, 00, 00, 52, 52, 50, 68, 00, D0, 42, 00, E8, DA, 2A, 00, 00, 57, 6A, 00, E8, 39, 42, 00, 00, 83...
 
[+]

Entropy:
7.5884

Code size:
28.5 KB (29,184 bytes)

The file limberjack_downloader_by_downloadfreefontscom.exe has been seen being distributed by the following URL.