bestcodecspacksetup.exe

Installer

YellowSoft Inc

This is the Performersoft setup installer. The application bestcodecspacksetup.exe by YellowSoft Inc 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 InstallBrain installer. The file has been seen being downloaded from www.softologicsb.com. While running, it connects to the Internet address www.ibbalance.com on port 443.
Publisher:
YellowSoft Inc  (signed and verified)

Product:
Installer

Version:
15.9.28.27

MD5:
79a71b50f0f86f90c5b7551ad883fb35

SHA-1:
c608999e2b13193e3a8915cec54258a6229ef269

SHA-256:
f04ce73b89885c55895b05df0f6f14854a114f73bd3ce955bb3026663194c39a

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:
12/11/2019 4:43:50 PM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Performersoft (M)
17.3.16.10

File size:
584.3 KB (598,328 bytes)

Product version:
15.9.28.27

Copyright:
Copyright 2012

Original file name:
installer.exe

File type:
Executable application (Win32 EXE)

Bundler/Installer:
InstallBrain

Language:
English (United States)

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

Digital Signature
Signed by:

Authority:
GoDaddy.com, Inc.

Valid from:
9/12/2012 10:45:31 AM

Valid to:
9/12/2015 10:45:31 AM

Subject:
CN=YellowSoft Inc, O=YellowSoft Inc, L=Beaverton, S=OR, C=US

Issuer:
SERIALNUMBER=07969287, CN=Go Daddy Secure Certification Authority, OU=http://certificates.godaddy.com/repository, O="GoDaddy.com, Inc.", L=Scottsdale, S=Arizona, C=US

Serial number:
4EC8FFEF413CDC

File PE Metadata
Compilation timestamp:
3/11/2013 5:46:02 PM

OS version:
5.1

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
10.0

Entry address:
0x163E7

Entry point:
E8, 8F, 41, 00, 00, E9, 89, FE, FF, FF, 6A, 0C, 68, E0, 82, 42, 00, E8, F3, 17, 00, 00, 6A, 0E, E8, 8C, 43, 00, 00, 59, 83, 65, FC, 00, 8B, 75, 08, 8B, 4E, 04, 85, C9, 74, 2F, A1, 0C, C5, 42, 00, BA, 08, C5, 42, 00, 89, 45, E4, 85, C0, 74, 11, 39, 08, 75, 2C, 8B, 48, 04, 89, 4A, 04, 50, E8, CD, EA, FF, FF, 59, FF, 76, 04, E8, C4, EA, FF, FF, 59, 83, 66, 04, 00, C7, 45, FC, FE, FF, FF, FF, E8, 0A, 00, 00, 00, E8, E2, 17, 00, 00, C3, 8B, D0, EB, C5, 6A, 0E, E8, 58, 42, 00, 00, 59, C3, CC, CC, CC, CC, CC, CC...
 
[+]

Entropy:
7.7349  (probably packed)

Code size:
135.5 KB (138,752 bytes)

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

http://www.softologicsb.com/.../gk3m5?exename=BestCodecsPackSetup&cid=3921&clickid=0017276182543968438&orig_client=BIDVERDISPLAY-1199367

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

TCP (HTTP):
Connects to www.softologic.com  (174.37.181.31:80)

TCP (HTTP SSL):
Connects to www.ibbalance.com  (173.192.190.227:443)

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