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fffffff.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 fffffff.exe, “Installer for TopApp software” by Anton Melnikov has been detected as adware by 33 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:
50153274f8d5a12597d28e28346a7a06

SHA-1:
ff9612416d71132a735dded09808126b46cf1dab

SHA-256:
79793c1d3debcd2aa10f29f48ebb4654679f466d342ddbef05bb766cb70328e6

Scanner detections:
33 / 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 9:32:41 AM UTC  (today)

Scan engine
Detection
Engine version

Lavasoft Ad-Aware
Trojan.Generic.11461556
861

Agnitum Outpost
Trojan.AntiFW
7.1.1

AhnLab V3 Security
PUP/Win32.TSULoader
2014.07.17

Avira AntiVirus
TR/AntiFW.b.109
7.11.162.16

avast!
Win32:InstalleRex-BU [PUP]
2014.9-140927

AVG
Generic
2015.0.3339

Bitdefender
Trojan.Generic.11461556
1.0.20.1350

Bkav FE
HW32.CDB
1.3.0.4959

Clam AntiVirus
Win.Trojan.Antifw-8
0.98/19185

Comodo Security
Application.Win32.InstalleRex.KG
18876

Dr.Web
Trojan.WebPick.2540
9.0.1.0270

Emsisoft Anti-Malware
Trojan.Generic.11461556
8.14.09.27.05

ESET NOD32
Win32/InstalleRex.M potentially unwanted application
8.7.0.302.0

F-Prot
W32/InstallRex.B.gen
v6.4.7.1.166

F-Secure
Trojan.Generic.11461556
11.2014-27-09_7

G Data
Trojan.Generic.11461556
14.9.24

herdProtect (fuzzy)
variant of watch dogs graphics fix pc fixpcgames.blogspot.com.rar(1).exe (Adware)
2014.12.8.22

K7 AntiVirus
Unwanted-Program
13.180.12758

Kaspersky
Trojan.Win32.AntiFW
14.0.0.3189

Malwarebytes
PUP.Optional.InstalleRex
v2014.09.27.06

McAfee
PUP-FHQ
5600.6995

MicroWorld eScan
Trojan.Generic.11461556
15.0.0.810

NANO AntiVirus
Riskware.Win32.InfoLeak.cvgqot
0.28.2.60881

nProtect
Trojan/W32.AntiFW.323736
14.09.26.01

Panda Antivirus
PUP/TSUploader
14.09.27.06

Qihoo 360 Security
Malware.QVM20.Gen
1.0.0.1015

Quick Heal
Trojan.AntiFW.A5
9.14.14.00

Reason Heuristics
Adware.WebPick.Installer.H
14.9.27.5

Rising Antivirus
PE:Trojan.AntiFW!6.19C8
23.00.65.14925

Sophos
InstallRex
4.98

Vba32 AntiVirus
Downware.TSU
3.12.26.3

VIPRE Antivirus
Threat.4150696
31208

Zillya! Antivirus
Trojan.AntiFW.Win32.215
2.0.0.1860

File size:
316.1 KB (323,736 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)

Common path:
C:\documents and settings\sss\سطح المكتب\براامج 2\fffffff.exe

Digital Signature
Signed by:
Anton Melnikov

Authority:
COMODO CA Limited

Valid from:
8/27/2013 3:00:00 AM

Valid to:
8/28/2014 2:59:59 AM

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 11:51:45 AM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
8.0

CTPH (ssdeep):
6144:GrYbUzkuvcBYC47l2xLnvhueEZdkKQ3+7Oj7hTOVA1HWZ8:GrdkuveY3CvI5Zdkj6OEu1HS8

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:
7.9538

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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