» vntsrv.dll
Overview
Analysis
File Details

vntsrv.dll

Virtual New Tab

APN LLC.

This installer is part of the Ask.com (APN) network which will install the Ask.com branded toolbar or browser extension which will take control of the web browser's search functions. The module vntsrv.dll, “Virtual New Tab Server” has been detected as adware by 41 anti-malware scanners. The program is a setup application that uses the APN Stub installer, however the file is not signed with an authenticode signature from a trusted source. Accoriding to the detections, it is a variant of Zbot (Zeus), a trojan that attempts to steal confidential information (online credentials, and banking details) from a compromised computer and send it to online criminals via a command-and-control server.

File name:

vntsrv.dll

Publisher:

APN LLC.

Product:

Virtual New Tab

Description:

Virtual New Tab Server

Version:

1.2.0.3294

MD5:

3f42eba9f6cf61f0b75218b6900508a7

SHA-1:

b69b09d0636fdc25bbeca097c2173568132677ad

SHA-256:

14d8d41244aa029c0cf4550b602970af190d9807d018a40d44520a81ddd3a2e1

Scanner detections:

41 / 68

Status:

Adware

Explanation:

The file is infected by a polymorphic file infector virus.

Analysis date:

4/26/2024 10:32:48 PM UTC (today)

Scan engine

Detection

Engine version

Lavasoft Ad-Aware

Win32.Ramnit.N

1004

Agnitum Outpost

Win32.Nimnul.Gen.2

7.1.1

AhnLab V3 Security

Win32/Ramnit.G

14.05.06

Avira AntiVirus

W32/Ramnit.C

7.11.148.6

avast!

Win32:RmnDrp

2014.9-140506

AVG

Win32/Zbot.F

2015.0.3482

Baidu Antivirus

Virus.Win32.Nimnul.$a

4.0.3.1456

Bitdefender

Win32.Ramnit.N

1.0.20.630

Bkav FE

W32.InjectAdwaredDwnA1.PE

1.3.0.4959

Clam AntiVirus

W32.Ramnit-1

0.98/211

Comodo Security

Virus.Win32.Ramnit.K

18230

Dr.Web

Win32.Rmnet.12

9.0.1.0126

Emsisoft Anti-Malware

Win32.Ramnit.N

8.14.05.06.08

ESET NOD32

Win32/Ramnit

8.9766

Fortinet FortiGate

W32/Ramnit.C

5/6/2014

F-Prot

W32/Ramnit.E

v6.4.7.1.166

F-Secure

Win32.Ramnit.N

11.2014-06-05_3

G Data

Win32.Ramnit

14.5.24

IKARUS anti.virus

Virus.Win32.Ramnit

t3scan.1.6.1.0

K7 AntiVirus

Virus

13.177.11997

Kaspersky

Virus.Win32.Nimnul

14.0.0.3906

Malwarebytes

Virus.Ramnit

v2014.05.06.08

McAfee

W32/Ramnit.a

5600.7138

Microsoft Security Essentials

Virus:Win32/Ramnit.J

1.10502

MicroWorld eScan

Win32.Ramnit.N

15.0.0.378

NANO AntiVirus

Virus.Win32.Nimnul.bqjjnb

0.28.0.59608

Norman

Ramnit.AS

11.20140506

nProtect

Virus/W32.SpyEye

14.05.06.01

Panda Antivirus

W32/Cosmu.E

14.05.06.08

Qihoo 360 Security

Virus.Win32.Ramnit.A

1.0.0.1015

Quick Heal

W32.Ramnit.A

5.14.14.00

Reason Heuristics

PUP.APN.G

14.5.6.18

Rising Antivirus

PE:Win32.Mgr.b!1594784

23.00.65.14504

Sophos

W32/Ramnit-A

4.98

Total Defense

Win32/Ramnit.C

37.0.10921

Trend Micro House Call

PE_RAMNIT.DEN

7.2.126

Trend Micro

PE_RAMNIT.DEN

10.465.06

Vba32 AntiVirus

Virus.Win32.Nimnul.b

3.12.26.0

VIPRE Antivirus

Virus.Win32.Ramnit.b

28936

ViRobot

Win32.Nimnul.A

2011.4.7.4223

Zillya! Antivirus

Virus.Nimnul.Win32.2

2.0.0.1779

File size:

313.5 KB (321,023 bytes)

Product version:

1.2.0.3294

Original file name:

vntsrv.dll

File type:

Dynamic link library (Win32 DLL)

Installer:

APN Stub

Language:

English (United States)

Common path:

C:\users\{user}\appdata\local\vnt\vntsrv.dll

File PE Metadata

Compilation timestamp:

12/21/2013 3:16:03 AM

OS version:

5.1

OS bitness:

Win32

Subsystem:

Windows GUI

Linker version:

10.0

CTPH (ssdeep):

6144:VkxkFhgRP67uNYzrCu4z95M7bnHg8l+UHWaRMMddAds:KigRP67uNxu4unH/l2aRVdf

Entry address:

0x1C000

Entry point:

60, E8, 00, 00, 00, 00, 5D, 8B, C5, 81, ED, A8, A6, 01, 20, 2B, 85, 0F, AE, 01, 20, 89, 85, 0B, AE, 01, 20, B0, 00, 86, 85, 40, B0, 01, 20, 3C, 01, 0F, 85, BC, 01, 00, 00, 83, BD, 3B, AF, 01, 20, 00, 74, 33, 83, BD, 3F, AF, 01, 20, 00, 74, 2A, 8B, 85, 0B, AE, 01, 20, 2B, 85, 3B, AF, 01, 20, 8B, 00, 89, 85, 78, AF, 01, 20, 8B, 85, 0B, AE, 01, 20, 2B, 85, 3F, AF, 01, 20, 8B, 00, 89, 85, 7C, AF, 01, 20, EB, 61, 83, BD, 43, AF, 01, 20, 00, 74, 58, 8B, 85, 0B, AE, 01, 20, 2B, 85, 43, AF, 01, 20, FF, 30, 8D, 85... 
[+]

Entropy:

7.0651

Packer / compiler:

ASPack v1.08.04

Code size:

61 KB (62,464 bytes)

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