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vosrv.exe

The application vosrv.exe has been detected as a potentially unwanted program by 19 anti-malware scanners. This is a setup program which is used to install the application. The file has been seen being downloaded from d2fpsq9kg43yka.cloudfront.net.
MD5:
f22249396aaf286527416c63ea73ceb1

SHA-1:
e66b3a17de51f5239caf410cc1b2692f9e098dc9

SHA-256:
c5e68b11558ad76c8a0cff6f7683e40e3dbf7979a0a424f01545be50ac03ab14

Scanner detections:
19 / 68

Status:
Potentially unwanted

Analysis date:
11/23/2024 10:43:24 AM UTC  (today)

Scan engine
Detection
Engine version

Lavasoft Ad-Aware
Application.Generic.1160289
355

avast!
Win32:Rootkit-gen [Rtk]
2014.9-160215

AVG
Generic_r
2017.0.2833

Baidu Antivirus
Adware.Win32.ConvertAd
4.0.3.16215

Bitdefender
Application.Generic.1160289
1.0.20.230

ESET NOD32
Win32/Adware.ConvertAd.CF (variant)
10.11344

Fortinet FortiGate
Riskware/ConvertAd
2/15/2016

F-Secure
Application.Generic.1160289
11.2016-15-02_2

G Data
Application.Generic.1160289
16.2.25

K7 AntiVirus
Adware
13.202.15313

Kaspersky
not-a-virus:AdWare.Win32.Vopak
14.0.0.658

MicroWorld eScan
Application.Generic.1160289
17.0.0.138

NANO AntiVirus
Riskware.Win32.Vopak.dpboqf
0.30.8.659

Panda Antivirus
Generic Suspicious
16.02.15.09

Qihoo 360 Security
HEUR/QVM10.1.Malware.Gen
1.0.0.1015

Reason Heuristics
PUP.Convertad (M)
16.2.15.9

Sophos
Generic PUA OG
4.98

Trend Micro House Call
TROJ_GEN.R047H07CI15
7.2.46

VIPRE Antivirus
Trojan.Win32.Generic
38568

File size:
133.5 KB (136,704 bytes)

File type:
Executable application (Win32 EXE)

Common path:
C:\users\{user}\appdata\local\microsoft\windows\temporary internet files\content.ie5\{random}\vosrv.exe

File PE Metadata
Compilation timestamp:
3/12/2015 11:32:29 AM

OS version:
5.1

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
10.0

CTPH (ssdeep):
1536:Csde+IuTaJ0r1yQvtKcG4U5ep5EnNT1fwPZKatzgDeSk0n4jnIC4uzCs3S:Cs7Lr1Pc7A5EnF1YbG6VnIC4uzCWS

Entry address:
0xE6F9

Entry point:
E8, 52, 54, 00, 00, E9, 89, FE, FF, FF, 8B, FF, 55, 8B, EC, 83, 7D, 08, 00, 74, 2D, FF, 75, 08, 6A, 00, FF, 35, EC, 1C, 42, 00, FF, 15, CC, B0, 41, 00, 85, C0, 75, 18, 56, E8, AA, 05, 00, 00, 8B, F0, FF, 15, 78, B0, 41, 00, 50, E8, 5A, 05, 00, 00, 59, 89, 06, 5E, 5D, C3, 8B, FF, 55, 8B, EC, 83, EC, 1C, 56, FF, 75, 08, 8D, 4D, E4, E8, 40, F3, FF, FF, 8B, 45, 10, 8B, 75, 0C, 85, C0, 74, 02, 89, 30, 85, F6, 75, 24, E8, 6D, 05, 00, 00, C7, 00, 16, 00, 00, 00, E8, 10, 05, 00, 00, 80, 7D, F0, 00, 74, 07, 8B, 45...
 
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Code size:
102 KB (104,448 bytes)

The file vosrv.exe has been seen being distributed by the following URL.

http://d2fpsq9kg43yka.cloudfront.net/VOsrv.exe

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