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 www.skidajmo.com and multiple other hosts.
Publisher:
Blue Labs, LLC  (signed and verified)

Product:
Free Viewer

Version:
1.0.0.0

MD5:
fa5448edb889278a0397419057c3f194

SHA-1:
ff968e96e46716154778ebb42a50baf607b07bfd

SHA-256:
c52b639057533e1446911939053cc48f9703cfc7de3a4ddf8c950cfd8034ff51

Scanner detections:
1 / 68

Status:
Potentially unwanted

Analysis date:
4/19/2024 4:49:34 PM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Optional.BlueLabs
15.6.13.15

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}\downloads\freeviewer.exe

Digital Signature
Signed by:

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 5:39:09 PM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
11.0

.NET CLR dependent:
Yes

CTPH (ssdeep):
49152:RrgDQMHLZaDL31YsJefEF9zu9n5omgwZf4hUX6vAZlDL6/:txDZbzKf4SX3lDO/

Entry address:
0x367F9E

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, 04, 00, 03, 00, 00, 00, 30, 00, 00, 80, 0E, 00, 00, 00, 48, 00...
 
[+]

Entropy:
6.5984

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 3 URLs.

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

TCP (HTTP):

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

TCP (HTTP):

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

TCP (HTTP):

TCP (HTTP):

TCP (HTTP):
Connects to s3-1-w.amazonaws.com  (52.216.225.104:80)

TCP (HTTP):

TCP (HTTP):

TCP (HTTP):

TCP (HTTP):

TCP (HTTP):

TCP (HTTP):

TCP (HTTP):

TCP (HTTP):

TCP (HTTP):

TCP (HTTP):

TCP (HTTP):

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