77zip973867.exe

Installer

MediaTechSoft Inc.

This is the Performersoft setup installer. The application 77zip973867.exe by MediaTechSoft 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. It is set to automatically start when a user logs into Windows via the current user run registry key under the display name ‘77Zip973867.exe’. It is also typically executed from the user's temporary directory. While running, it connects to the Internet address www.ibbalance.com on port 443.
Publisher:
MediaTechSoft Inc.  (signed and verified)

Product:
Installer

Version:
15.9.28.27

MD5:
c4db549d7eeec6b05bbd02a44726d279

SHA-1:
e07e4c3523b053dd40dfbef7fed9442d36b5907a

SHA-256:
414c2f26c07e074adbbb11459a9d5f0d0a586bfbd414eb2669e18d7be72de2c5

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:
12/1/2020 8:25:47 PM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Performersoft (M)
17.3.5.7

File size:
659.8 KB (675,648 bytes)

Product version:
15.9.28.27

Copyright:
Copyright 2012

Original file name:
installer.exe

File type:
Executable application (Win32 EXE)

Bundler/Installer:
InstallBrain

Common path:
C:\users\{user}\appdata\local\temp\77zip973867.exe

Digital Signature
Authority:
GoDaddy.com, Inc.

Valid from:
3/30/2013 2:18:00 AM

Valid to:
3/30/2016 2:18:00 AM

Subject:
CN=MediaTechSoft Inc., O=MediaTechSoft 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:
4B870730DE21B9

File PE Metadata
Compilation timestamp:
6/24/2013 10:14:23 PM

OS version:
5.1

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
10.0

Entry address:
0x1089D

Entry point:
E8, AD, 41, 00, 00, E9, 89, FE, FF, FF, 8B, FF, 55, 8B, EC, 53, 8B, 5D, 08, 83, FB, E0, 77, 6F, 56, 57, 83, 3D, C4, 44, 42, 00, 00, 75, 18, E8, F8, 39, 00, 00, 6A, 1E, E8, 42, 38, 00, 00, 68, FF, 00, 00, 00, E8, 41, 25, 00, 00, 59, 59, 85, DB, 74, 04, 8B, C3, EB, 03, 33, C0, 40, 50, 6A, 00, FF, 35, C4, 44, 42, 00, FF, 15, 88, D0, 41, 00, 8B, F8, 85, FF, 75, 26, 6A, 0C, 5E, 39, 05, C8, 44, 42, 00, 74, 0D, 53, E8, 91, 18, 00, 00, 59, 85, C0, 75, A9, EB, 07, E8, 63, 18, 00, 00, 89, 30, E8, 5C, 18, 00, 00, 89...
 
[+]

Entropy:
7.7095  (probably packed)

Code size:
111 KB (113,664 bytes)

Startup File (User Run)
Registry location:
HKCU\SOFTWARE\Microsoft\Windows\CurrentVersion\Run

Name:
77Zip973867.exe

Command:
"C:\users\{user}\appdata\local\temp\{random}.tmp\users\{user}\appdata\local\temp\{random}.tmp\ros \stp=1:2


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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