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oiassistwtd.exe

WinZip 18

WinZip Computing

The application oiassistwtd.exe by WinZip Computing has been detected as a potentially unwanted program by 12 anti-malware scanners. This is a self-extracting archive and installer and has been known to bundle potentially unwanted software. It is also typically executed from the user's temporary directory. While running, it connects to the Internet address inst.avg.com on port 80 using the HTTP protocol.
Publisher:
WinZip Computing  (signed and verified)

Product:
WinZip 18

Description:
WinZip 18 Setup

Version:
1,19,0,3503

MD5:
c0b56ee1f2380736fa83a12c05779662

SHA-1:
b1a17d94f15fadd8cc52f9a1b4c31f9e6bf87eca

SHA-256:
05bf27144c75afd1b16d5eb1a0e2c1377e9f1fe43c174d0e0ec906fb3dd67e52

Scanner detections:
12 / 68

Status:
Potentially unwanted

Explanation:
Includes Open Install, an installer which bundles legitimate programs with offers for additional 3rd-party applications that may be unwanted by the user.

Analysis date:
5/1/2024 3:52:54 AM UTC  (today)

Scan engine
Detection
Engine version

Agnitum Outpost
Riskware.OpenInstall
7.1.1

Dr.Web
Adware.Downware.1923
9.0.1.0212

Emsisoft Anti-Malware
Trojan.Generic.10143455
8.14.07.31.03

ESET NOD32
Win32/OpenInstall (variant)
8.9290

Fortinet FortiGate
Riskware/OpenInstall
7/31/2014

K7 AntiVirus
Unwanted-Program
13.176.11566

McAfee
Artemis!C0B56EE1F238
5600.7053

Reason Heuristics
PUP.OpenInstall.Installer.L
14.7.31.3

Rising Antivirus
PE:Malware.XPACK/RDM!5.1
23.00.65.14908

Sophos
Open Install
4.96

Trend Micro House Call
TROJ_GEN.F47V0307
7.2.212

XVirus List
Win32.Detected
2.6.16

File size:
411 KB (420,816 bytes)

Product version:
1,19,0,3503

Copyright:
Copyright © 2013

File type:
Executable application (Win32 EXE)

Language:
Language Neutral

Common path:
C:\users\{user}\appdata\local\temp\{random}.tmp\oiassistwtd.exe

Digital Signature
Signed by:
WinZip Computing

Authority:
VeriSign, Inc.

Valid from:
3/16/2012 11:00:00 AM

Valid to:
4/14/2014 9:59:59 AM

Subject:
CN=WinZip Computing, OU=Digital ID Class 3 - Microsoft Software Validation v2, O=WinZip Computing, L=Mansfield, S=Connecticut, C=US

Issuer:
CN=VeriSign Class 3 Code Signing 2010 CA, OU=Terms of use at https://www.verisign.com/rpa (c)10, OU=VeriSign Trust Network, O="VeriSign, Inc.", C=US

Serial number:
5E4842AC9691630B45F8266C0ADB1206

File PE Metadata
Compilation timestamp:
9/11/2013 11:01:43 PM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
7.10

CTPH (ssdeep):
6144:TPEVT/DlxGmVQhlzYBH1PBrj+qCkeHX0h1Db5lugnuz3aJkx5D24:T+DfPVQhlzi5leMD7ul3CkxR24

Entry address:
0x1000

Entry point:
55, 8B, EC, 81, EC, 1C, 04, 00, 00, 53, 56, 57, BE, CC, 30, 40, 00, 8D, BD, E4, FB, FF, FF, A5, A5, A5, 6A, 7E, 66, A5, 59, 33, C0, 8D, BD, F2, FB, FF, FF, F3, AB, 66, AB, BB, 04, 01, 00, 00, 53, 8D, 85, E4, FB, FF, FF, 50, FF, 15, 5C, 30, 40, 00, 66, 83, A5, EC, FD, FF, FF, 00, 33, C0, B9, 81, 00, 00, 00, 8D, BD, EE, FD, FF, FF, F3, AB, 66, AB, 8D, 45, FE, 50, 8D, 85, EC, FD, FF, FF, 50, 8D, 85, E4, FB, FF, FF, 50, C7, 45, F8, FD, FF, FF, FF, C6, 45, FE, 00, E8, 45, 01, 00, 00, 83, C4, 0C, 84, C0, 74, 15...
 
[+]

Entropy:
7.7055

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 communications in live environments.

TCP (HTTP):
Connects to oi.cloud.avg.com  (204.193.144.33:80)

TCP (HTTP):
Connects to inst.avg.com  (204.193.144.89:80)

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