wc.ac.rar.exe

YL production

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 wc.ac.rar.exe, “Installer for TopApp soft” by YL production has been detected as adware by 16 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 soft  (signed by YL production)

Product:
TopApp soft

Description:
Installer for TopApp soft

Version:
2014.5.26.2303

MD5:
7e8fdf9eef7f21aad8d0dfe1056d5215

SHA-1:
9e593e9814e18f0ea0003c20d3af6e7f1d029433

SHA-256:
42d267ca9d94a1526878523534471da3da4a0389085d11468ef93bf3548050d6

Scanner detections:
16 / 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:
4/19/2024 12:19:39 PM UTC  (today)

Scan engine
Detection
Engine version

Avira AntiVirus
TR/AntiFW.b.106
7.11.151.240

AVG
Generic
2015.0.3355

Bkav FE
HW32.CDB
1.3.0.4959

Comodo Security
Application.Win32.InstalleRex.KG
18358

Dr.Web
Adware.Downware.2108
9.0.1.0253

ESET NOD32
Win32/InstalleRex.M potentially unwanted application
8.7.0.302.0

Kaspersky
Trojan.Win32.AntiFW
14.0.0.3271

Malwarebytes
PUP.Optional.InstalleRex
v2014.09.10.08

McAfee
PUP-FHQ!CD87878FF64D
5600.7011

NANO AntiVirus
Riskware.Win32.InfoLeak.cvgqot
0.28.0.59921

Qihoo 360 Security
Malware.QVM20.Gen
1.0.0.1015

Reason Heuristics
Adware.WebPick.Installer.H
14.8.1.6

Rising Antivirus
PE:Trojan.AntiFW!6.17F7
23.00.65.14908

Vba32 AntiVirus
Downloader.AdLoad
3.12.26.0

VIPRE Antivirus
Trojan.Win32.Generic
29706

File size:
315 KB (322,560 bytes)

Product version:
1.0.0.3

Copyright:
Copyright © 2014 TopApp soft

Original file name:
TSULoader.exe

File type:
Executable application (Win32 EXE)

Installer:
WebPick InstalleRex (Tarma)

Language:
Language Neutral

Common path:
C:\users\{user}\downloads\wc.ac.rar.exe

Digital Signature
Signed by:

Authority:
Unizeto Technologies S.A.

Valid from:
1/16/2014 7:49:26 AM

Valid to:
1/16/2015 7:49:26 AM

Subject:
E=Lebedev72@hotmail.com, CN="Open Source Developer, Yuri LEBEDEV", O=YL production, C=RU

Issuer:
CN=Certum Level III CA, OU=Certum Certification Authority, O=Unizeto Technologies S.A., C=PL

Serial number:
284B7B8274AFC7E851A73B98B619311F

File PE Metadata
Compilation timestamp:
3/12/2013 9:51:45 AM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
8.0

CTPH (ssdeep):
6144:mrYbUzkuvcBYC47l2xa6g4FhwjZd/9d1XKxlo/ecwrHs5r:mrdkuveY36kjZP/XKxlSZAHm

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...
 
[+]

Developed / compiled with:
Microsoft Visual C++

Code size:
7.5 KB (7,680 bytes)

The file wc.ac.rar.exe has been seen being distributed by the following URL.

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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