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vnsl5839.tmp

The file vnsl5839.tmp has been detected as a potentially unwanted program by 2 anti-malware scanners. The program is a setup application that uses the NSIS (Nullsoft Scriptable Install System) installer, however the file is not signed with an authenticode signature from a trusted source. The file has been seen being downloaded from s3.amazonaws.com and multiple other hosts.
MD5:
82e6500121a827612376fad46de4df5a

SHA-1:
91c0ffb23c7e920d163a8efba9af05877bb4f5f2

SHA-256:
4d1cc7eed153e5693114ac2f0a945773aad76bae70324c6d40b993f9878a08bd

Scanner detections:
2 / 68

Status:
Potentially unwanted

Analysis date:
4/19/2024 12:45:45 AM UTC  (today)

Scan engine
Detection
Engine version

ESET NOD32
multiple threats
7.0.302.0

Reason Heuristics
Adware.CMI.VOPackage (M)
16.2.15.19

File size:
610.5 KB (625,136 bytes)

Installer:
NSIS (Nullsoft Scriptable Install System)

Common path:
C:\Program Files\979d0f70-1455564369-81e4-3237-1cb72c00e15e\vnsl5839.tmp

File PE Metadata
Compilation timestamp:
2/24/2012 8:19:59 PM

OS version:
5.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
10.0

CTPH (ssdeep):
12288:XEOS006usZ4CbUtnIQ2g5DE5pRkz3sI5TK+RmUWr3oOM0/VXt:X5J06usmC2x2gkziNjRmU4340/VXt

Entry address:
0x39E3

Entry point:
81, EC, D4, 02, 00, 00, 53, 55, 56, 57, 6A, 20, 33, ED, 5E, 89, 6C, 24, 18, C7, 44, 24, 10, D8, 91, 40, 00, 89, 6C, 24, 14, FF, 15, 30, 80, 40, 00, 68, 01, 80, 00, 00, FF, 15, B8, 80, 40, 00, 55, FF, 15, C0, 82, 40, 00, 6A, 08, A3, B8, 2E, 47, 00, E8, 37, 2A, 00, 00, 55, 68, B4, 02, 00, 00, A3, D0, 2D, 47, 00, 8D, 44, 24, 38, 50, 55, 68, 1C, 93, 40, 00, FF, 15, 84, 81, 40, 00, 68, 04, 93, 40, 00, 68, C0, AD, 46, 00, E8, 19, 27, 00, 00, FF, 15, B4, 80, 40, 00, 50, BF, A0, 30, 4C, 00, 57, E8, 07, 27, 00, 00...
 
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Packer / compiler:
Nullsoft install system v2.x

Code size:
28 KB (28,672 bytes)

Startup File (All Users Run Once)
Registry location:
HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\RunOnce

Name:
Update

Command:
C:\users\{user}\appdata\roaming\vopackage\vopackage.exe \runonce


The file vnsl5839.tmp has been seen being distributed by the following 2 URLs.

https://s3.amazonaws.com/cf_vopackage/.../VOPackage.exe

http://s3.amazonaws.com/cf_vopackage/.../VOPackage.exe

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