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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:
7ba38198b2e780b30cd19b81a53fc99c

SHA-1:
358b1ee728ff043ab8f87e7c68e756a20753841e

SHA-256:
f61bb31e097c0f8d7ad77cf467f405d0e66218af2b8b417ed3ec6774c80c62a7

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 is also known as bundleware, or downloadware, which is an downloader designed to simply deliver ad-supported offers in the setup routine of an otherwise legitimate software.

Analysis date:
4/27/2024 2:29:15 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Performersoft (M)
16.8.5.13

File size:
572.3 KB (586,040 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:
YellowSoft Inc

Authority:
GoDaddy.com, Inc.

Valid from:
9/12/2012 5:45:31 AM

Valid to:
9/12/2015 5:45:31 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:
2/26/2013 7:39:13 PM

OS version:
5.1

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
10.0

CTPH (ssdeep):
12288:a0/uf8PVQB+Yd/hJe77AUx7T3/EA1B8xAhCV1VJVlUUsR2lRdk:tVQBJNSjxf/EM8xAhY1VJVlUBSdk

Entry address:
0x13287

Entry point:
E8, 8F, 41, 00, 00, E9, 89, FE, FF, FF, 6A, 0C, 68, 18, 53, 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, 95, 42, 00, BA, 08, 95, 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:
7.7514  (probably packed)

Code size:
123.5 KB (126,464 bytes)

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

http://www.softologicsb.com/.../gk3m5?exename=BestCodecsPackSetup&cid=3921&clickid=0019143962446094497&orig_client=SPEED24_758_4

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)

TCP (HTTP):
Connects to stats-182385724-1591972470.us-east-1.elb.amazonaws.com  (54.221.252.69:80)

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