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saveon.exe

Anton Melnikov

This is a WebPick installer that bundles (with very minimal user consent) a number of adware browser extensions which inject ads in the browser. The application saveon.exe, “Installer for TopApp software” by Anton Melnikov has been detected as adware by 25 anti-malware scanners. The program is a setup application that uses the WebPick InstalleRex (Tarma) installer. The setup program uses Web-Pick's InstalleRex download manager and installer to bundle potentially unwanted ad-supported software which includes toolbars and browser extensions through a pay-per-install monetization scheme.
Publisher:
TopApp software  (signed by Anton Melnikov)

Product:
TopApp software

Description:
Installer for TopApp software

Version:
2014.5.23.1127

MD5:
c9517d55928fcee192528b1d2c7109bd

SHA-1:
f66b09342d1eda1c388f6e3fe38e277ec0791d62

SHA-256:
216fb888aca82c77bf843df2c7791b009c97ffe59b8fbf248a73659809f4331a

Scanner detections:
25 / 68

Status:
Adware

Explanation:
Uses the InstalleRex from WebPick Internet Holdings to install bundled add-ons including toolbars and other web browser extensions.

Analysis date:
4/25/2024 3:24:54 PM UTC  (today)

Scan engine
Detection
Engine version

Agnitum Outpost
Trojan.AntiFW
7.1.1

AhnLab V3 Security
PUP/Win32.TSULoader
2015.02.01

Avira AntiVirus
TR/AntiFW.b.109
7.11.206.68

avast!
Win32:InstalleRex-BV [PUP]
150129-1

AVG
Generic
2016.0.3212

Clam AntiVirus
Win.Trojan.Antifw-8
0.98/20010

Comodo Security
Application.Win32.InstalleRex.KG
20918

Dr.Web
Threat.Undefined
9.0.1.05190

ESET NOD32
Win32/InstalleRex.M potentially unwanted application
7.0.302.0

Fortinet FortiGate
Riskware/Generic.AC.4161048
1/31/2015

F-Prot
W32/InstallRex.B
4.6.5.141

G Data
Win32.Application.InstalleRex
15.1.25

K7 AntiVirus
Unwanted-Program
13.193.14818

Kaspersky
Trojan.Win32.AntiFW
14.0.0.2555

Malwarebytes
PUP.Optional.InstalleRex
v2015.01.31.09

McAfee
PUP-FHQ
5600.6868

NANO AntiVirus
Riskware.Win32.InfoLeak.cvgqot
0.30.0.65070

Norman
Application.Generic.659050
02.01.2015 13:58:24

Panda Antivirus
PUP/TSUploader
15.01.31.09

Quick Heal
Trojan.AntiFW.A5
1.15.14.00

Reason Heuristics
Adware.WebPick.Installer
15.1.31.21

Rising Antivirus
PE:Trojan.DL.Win32.AntiFW.a!1075355932
23.00.65.15129

Sophos
PUA 'InstallRex'
5.10

Vba32 AntiVirus
Downware.TSU
3.12.26.3

VIPRE Antivirus
Threat.4150696
36666

File size:
316 KB (323,616 bytes)

Product version:
1.0.0.3

Copyright:
Copyright © 2014 TopApp software

Original file name:
TSULoader.exe

File type:
Executable application (Win32 EXE)

Installer:
WebPick InstalleRex (Tarma)

Language:
Language Neutral

Common path:
C:\users\{user}\appdata\roaming\serv\saveon.exe

Digital Signature
Signed by:
Anton Melnikov

Authority:
COMODO CA Limited

Valid from:
8/26/2013 6:00:00 PM

Valid to:
8/27/2014 5:59:59 PM

Subject:
CN=Anton Melnikov, O=Anton Melnikov, STREET=Borshagovskaya 117, L=Kiev, S=Kiev, PostalCode=03058, C=UA

Issuer:
CN=COMODO Code Signing CA 2, O=COMODO CA Limited, L=Salford, S=Greater Manchester, C=GB

Serial number:
008EFE75FFE332B06C663189A317121232

File PE Metadata
Compilation timestamp:
3/12/2013 2:51:45 AM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
8.0

CTPH (ssdeep):
6144:+rYbUzkuvcBYC47l2xLnvhueEZdkKQ3+7Oj7hTOVA1HWZs:+rdkuveY3CvI5Zdkj6OEu1HSs

Entry address:
0x14DB

Entry point:
55, 8B, EC, 81, EC, 2C, 06, 00, 00, 53, 56, 33, DB, 57, 66, 89, 9D, DC, FB, FF, FF, 89, 5D, F4, 89, 5D, FC, FF, 15, 74, 30, 40, 00, A3, 08, 44, 40, 00, FF, 15, 70, 30, 40, 00, 8B, F8, 8D, 45, EC, 50, FF, 15, 6C, 30, 40, 00, FF, 15, 68, 30, 40, 00, 8B, F0, F7, D6, 33, F7, FF, 15, 64, 30, 40, 00, 33, F0, 8B, 45, F0, 33, 45, EC, 68, 04, 01, 00, 00, 33, F0, 8D, 85, D4, F9, FF, FF, 50, 53, FF, 15, 60, 30, 40, 00, 85, C0, 75, 41, FF, 15, 5C, 30, 40, 00, 83, F8, 78, 75, 1A, 68, A8, 32, 40, 00, E8, 43, FB, FF, FF...
 
[+]

Entropy:
7.9537

Developed / compiled with:
Microsoft Visual C++

Code size:
7.5 KB (7,680 bytes)

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

TCP (HTTP):
Connects to r1.stylezip.info  (54.186.255.26:80)

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