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oiassistwtd.exe

WinZip 17

WinZip Computing

The application oiassistwtd.exe by WinZip Computing has been detected as a potentially unwanted program by 5 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 17

Description:
WinZip 17 Setup

Version:
1,18,0,2949

MD5:
3cc975f55d6e4e4bc5649ec1b8024c64

SHA-1:
27460c77e3324c36ce014f269cc94a6c911bbe6a

SHA-256:
ced4270b41846842f29fa8b6a3958d300c8d59b65ad84cf7f2b67bed3b5d0c15

Scanner detections:
5 / 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:
11/28/2024 4:19:41 AM UTC  (today)

Scan engine
Detection
Engine version

Dr.Web
Adware.Downware.1348
9.0.1.02

ESET NOD32
Win32/OpenInstall (variant)
7.8085

Trend Micro House Call
TROJ_GEN.RCBH1A7
7.2.2

Vba32 AntiVirus
Backdoor.Swrort.aur
3.12.20.2

VIPRE Antivirus
Trojan.Win32.Generic
21402

File size:
360.2 KB (368,880 bytes)

Product version:
1,18,0,2949

Copyright:
Copyright © 2012

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 1:00:00 AM

Valid to:
4/14/2014 1:59:59 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:
10/19/2012 5:34:54 PM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
7.10

CTPH (ssdeep):
6144:x3ctoLU3AfFKMxnG8PJf2BQV504y8KLBy2wtsWftySDNqsGTUb7R:x8QKknGcAk0/8KrXYtySDhGUb7R

Entry address:
0x1000

Entry point:
55, 8B, EC, 81, EC, 18, 04, 00, 00, 53, 56, 57, BE, A4, 30, 40, 00, 8D, BD, E8, FB, FF, FF, A5, A5, A5, 6A, 7E, 66, A5, 59, 33, C0, 8D, BD, F6, FB, FF, FF, F3, AB, 66, AB, BB, 04, 01, 00, 00, 53, 8D, 85, E8, FB, FF, FF, 50, FF, 15, 5C, 30, 40, 00, 66, 83, A5, F0, FD, FF, FF, 00, 33, C0, B9, 81, 00, 00, 00, 8D, BD, F2, FD, FF, FF, F3, AB, 66, AB, 8D, 85, F0, FD, FF, FF, 50, 8D, 85, E8, FB, FF, FF, 50, C7, 45, F8, FD, FF, FF, FF, E8, 0F, 01, 00, 00, 84, C0, 59, 59, 74, 15, 8D, 75, F8, 8D, BD, F0, FD, FF, FF...
 
[+]

Entropy:
7.7400

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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