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freeviewer.exe

Free Viewer

Blue Labs, LLC

The application freeviewer.exe by Blue Labs 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 file has been seen being downloaded from files.bluelabs.net and multiple other hosts.
Publisher:
Blue Labs, LLC  (signed and verified)

Product:
Free Viewer

Version:
1.0.0.0

MD5:
32583deb6bd011ef7af800fd187c9fb6

SHA-1:
a7e3a7ada1701b6e3b0093e47d24c9a38e4832a9

SHA-256:
f6127c5941c707e4680982fc5e5e4c936a0043db24b151470103bc44dc637ee2

Scanner detections:
1 / 68

Status:
Potentially unwanted

Analysis date:
11/15/2024 8:54:13 PM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Optional.BlueLabs
15.6.16.18

File size:
3.5 MB (3,642,040 bytes)

Product version:
1.0.0.0

Copyright:
Copyright © 2015

Original file name:
DynamicWebDisclosure.exe

File type:
Executable application (Win32 EXE)

Language:
Language Neutral

Common path:
C:\users\{user}\appdata\local\microsoft\windows\temporary internet files\content.ie5\{random}\freeviewer.exe

Digital Signature
Signed by:
Blue Labs, LLC

Authority:
Thawte, Inc.

Valid from:
9/30/2014 1:00:00 AM

Valid to:
10/1/2015 12:59:59 AM

Subject:
CN="Blue Labs, LLC", O="Blue Labs, LLC", L=St Louis Park, S=Minnesota, C=US

Issuer:
CN=Thawte Code Signing CA - G2, O="Thawte, Inc.", C=US

Serial number:
35D6CCDACB4165CA9B77CCB53FA48DC9

File PE Metadata
Compilation timestamp:
6/12/2015 5:40:19 PM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
11.0

.NET CLR dependent:
Yes

CTPH (ssdeep):
49152:drgDQMHLZaDL31YsJefEF9zu9n5omgwZf4hUX6vAZlDL+l:RxDZbzKf4SX3lDql

Entry address:
0x367F5E

Entry point:
FF, 25, 00, 20, 40, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00...
 
[+]

Entropy:
6.5983

Developed / compiled with:
Microsoft Visual C# / Basic .NET

Code size:
3.4 MB (3,563,520 bytes)

The file freeviewer.exe has been seen being distributed by the following 2 URLs.

http://files.bluelabs.net/freeviewer/webdisclosure/all/.../FreeViewer.exe

http://dl.bluelabs.net/download?product=freeviewer&type=&browser=chrome&bundleid=deskbarnx&trafficsource=shell&campaign=freeviewer_shell

The executing file has been seen to make the following network communications in live environments.

TCP (HTTP):
Connects to ec2-54-219-145-136.us-west-1.compute.amazonaws.com  (54.219.145.136:80)

TCP (HTTP):
Connects to a23-4-43-27.deploy.static.akamaitechnologies.com  (23.4.43.27:80)

TCP (HTTP):
Connects to s3-1-w.amazonaws.com  (52.216.1.88:80)

TCP (HTTP):
Connects to ec2-54-183-41-226.us-west-1.compute.amazonaws.com  (54.183.41.226:80)

TCP (HTTP):
Connects to ec2-54-193-124-252.us-west-1.compute.amazonaws.com  (54.193.124.252:80)

TCP (HTTP):
Connects to ec2-54-241-134-229.us-west-1.compute.amazonaws.com  (54.241.134.229:80)

TCP (HTTP):
Connects to a23-50-91-27.deploy.static.akamaitechnologies.com  (23.50.91.27:80)

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