What is asdk.dll?
asdk.dll is part of Avast AvastAdSDK and developed by AVAST Software according to the asdk.dll version information.
asdk.dll's description is "Avast Ad SDK"
asdk.dll is digitally signed by AVAST Software s.r.o..
asdk.dll is usually located in the 'c:\users\%USERNAME%\appdata\local\temp\nsh8da1.tmp\a\' folder.
None of the anti-virus scanners at VirusTotal reports anything malicious about asdk.dll.
If you have additional information about the file, please share it with the FreeFixer users by posting a comment at the bottom of this page.
Vendor and version information [?]
The following is the available information on asdk.dll:
| Property | Value |
|---|---|
| Product name | Avast AvastAdSDK |
| Company name | AVAST Software |
| File description | Avast Ad SDK |
| Internal name | AvastAdSDK.rc |
| Original filename | AvastAdSDK.rc |
| Legal copyright | Copyright (c) 2018 AVAST Software |
| Product version | 18.1.97.0 |
| File version | 18.1.97.0 |
Here's a screenshot of the file properties when displayed by Windows Explorer:
| Product name | Avast AvastAdSDK |
| Company name | AVAST Software |
| File description | Avast Ad SDK |
| Internal name | AvastAdSDK.rc |
| Original filename | AvastAdSDK.rc |
| Legal copyright | Copyright (c) 2018 AVAST Software |
| Product version | 18.1.97.0 |
| File version | 18.1.97.0 |
Digital signatures [?]
asdk.dll has a valid digital signature.
| Property | Value |
|---|---|
| Signer name | AVAST Software s.r.o. |
| Certificate issuer name | DigiCert High Assurance Code Signing CA-1 |
| Certificate serial number | 07c70f7cab145bc1ed385fbe69fa3130 |
VirusTotal report
None of the 65 anti-virus programs at VirusTotal detected the asdk.dll file.
Sandbox Report
The following information was gathered by executing the file inside Cuckoo Sandbox.
Summary
Successfully executed process in sandbox.
Summary
{
"file_exists": [
"C:\\Users\\cuck\\AppData\\Local\\Temp\\89a90ef4e7db39e6c89f37527c66ca3ba14eee3ac3dc4fb40aae347fb2ed98b1.bin.dll",
"C:\\Users\\cuck\\AppData\\Local\\Temp\\89a90ef4e7db39e6c89f37527c66ca3ba14eee3ac3dc4fb40aae347fb2ed98b1.bin.dll.manifest"
],
"regkey_read": [
"HKEY_LOCAL_MACHINE\\SOFTWARE\\Microsoft\\Windows NT\\CurrentVersion\\GRE_Initialize\\DisableMetaFiles",
"HKEY_LOCAL_MACHINE\\SYSTEM\\ControlSet001\\Control\\Nls\\CustomLocale\\en-US",
"HKEY_LOCAL_MACHINE\\SYSTEM\\ControlSet001\\Control\\Nls\\ExtendedLocale\\en-US"
],
"dll_loaded": [
"kernel32",
"api-ms-win-core-fibers-l1-1-1",
"api-ms-win-core-localization-l1-2-1",
"api-ms-win-core-datetime-l1-1-1",
"C:\\Users\\cuck\\AppData\\Local\\Temp\\89a90ef4e7db39e6c89f37527c66ca3ba14eee3ac3dc4fb40aae347fb2ed98b1.bin.dll",
"api-ms-win-core-localization-obsolete-l1-2-0",
"api-ms-win-core-string-l1-1-0",
"api-ms-win-core-synch-l1-2-0"
]
}Generic
[
{
"process_path": "C:\\Windows\\SysWOW64\\rundll32.exe",
"process_name": "rundll32.exe",
"pid": 2420,
"summary": {
"file_exists": [
"C:\\Users\\cuck\\AppData\\Local\\Temp\\89a90ef4e7db39e6c89f37527c66ca3ba14eee3ac3dc4fb40aae347fb2ed98b1.bin.dll",
"C:\\Users\\cuck\\AppData\\Local\\Temp\\89a90ef4e7db39e6c89f37527c66ca3ba14eee3ac3dc4fb40aae347fb2ed98b1.bin.dll.manifest"
],
"regkey_read": [
"HKEY_LOCAL_MACHINE\\SOFTWARE\\Microsoft\\Windows NT\\CurrentVersion\\GRE_Initialize\\DisableMetaFiles",
"HKEY_LOCAL_MACHINE\\SYSTEM\\ControlSet001\\Control\\Nls\\CustomLocale\\en-US",
"HKEY_LOCAL_MACHINE\\SYSTEM\\ControlSet001\\Control\\Nls\\ExtendedLocale\\en-US"
],
"dll_loaded": [
"kernel32",
"api-ms-win-core-fibers-l1-1-1",
"api-ms-win-core-localization-l1-2-1",
"api-ms-win-core-datetime-l1-1-1",
"C:\\Users\\cuck\\AppData\\Local\\Temp\\89a90ef4e7db39e6c89f37527c66ca3ba14eee3ac3dc4fb40aae347fb2ed98b1.bin.dll",
"api-ms-win-core-localization-obsolete-l1-2-0",
"api-ms-win-core-string-l1-1-0",
"api-ms-win-core-synch-l1-2-0"
]
},
"first_seen": 1576093985.734375,
"ppid": 1268
},
{
"process_path": "C:\\Windows\\System32\\lsass.exe",
"process_name": "lsass.exe",
"pid": 476,
"summary": {},
"first_seen": 1576093985.4375,
"ppid": 376
}
]Signatures
[
{
"markcount": 1,
"families": [],
"description": "This executable has a PDB path",
"severity": 1,
"marks": [
{
"category": "pdb_path",
"ioc": "D:\\BUILD\\work\\00\\fd4c9940d9aa2aa\\projects\\AvastAdSDK\\Build\\Release Static\\x86\\AvastAdSDK_Release Static.pdb",
"type": "ioc",
"description": null
}
],
"references": [],
"name": "has_pdb"
},
{
"markcount": 1,
"families": [],
"description": "The file contains an unknown PE resource name possibly indicative of a packer",
"severity": 1,
"marks": [
{
"category": "resource name",
"ioc": "BIN",
"type": "ioc",
"description": null
}
],
"references": [],
"name": "pe_unknown_resource_name"
},
{
"markcount": 4,
"families": [],
"description": "Allocates read-write-execute memory (usually to unpack itself)",
"severity": 2,
"marks": [
{
"call": {
"category": "process",
"status": 1,
"stacktrace": [],
"api": "NtProtectVirtualMemory",
"return_value": 0,
"arguments": {
"process_identifier": 2420,
"stack_dep_bypass": 0,
"stack_pivoted": 0,
"heap_dep_bypass": 0,
"length": 4096,
"protection": 64,
"process_handle": "0xffffffff",
"base_address": "0x74dbe000"
},
"time": 1576093985.843375,
"tid": 2460,
"flags": {
"protection": "PAGE_EXECUTE_READWRITE"
}
},
"pid": 2420,
"type": "call",
"cid": 10
},
{
"call": {
"category": "process",
"status": 1,
"stacktrace": [],
"api": "NtProtectVirtualMemory",
"return_value": 0,
"arguments": {
"process_identifier": 2420,
"stack_dep_bypass": 0,
"stack_pivoted": 0,
"heap_dep_bypass": 0,
"length": 4096,
"protection": 64,
"process_handle": "0xffffffff",
"base_address": "0x77311000"
},
"time": 1576093985.843375,
"tid": 2460,
"flags": {
"protection": "PAGE_EXECUTE_READWRITE"
}
},
"pid": 2420,
"type": "call",
"cid": 12
},
{
"call": {
"category": "process",
"status": 1,
"stacktrace": [],
"api": "NtProtectVirtualMemory",
"return_value": 0,
"arguments": {
"process_identifier": 2420,
"stack_dep_bypass": 0,
"stack_pivoted": 0,
"heap_dep_bypass": 0,
"length": 4096,
"protection": 64,
"process_handle": "0xffffffff",
"base_address": "0x74ee1000"
},
"time": 1576093985.843375,
"tid": 2460,
"flags": {
"protection": "PAGE_EXECUTE_READWRITE"
}
},
"pid": 2420,
"type": "call",
"cid": 14
},
{
"call": {
"category": "process",
"status": 1,
"stacktrace": [],
"api": "NtProtectVirtualMemory",
"return_value": 0,
"arguments": {
"process_identifier": 2420,
"stack_dep_bypass": 0,
"stack_pivoted": 0,
"heap_dep_bypass": 0,
"length": 4096,
"protection": 64,
"process_handle": "0xffffffff",
"base_address": "0x74e91000"
},
"time": 1576093985.843375,
"tid": 2460,
"flags": {
"protection": "PAGE_EXECUTE_READWRITE"
}
},
"pid": 2420,
"type": "call",
"cid": 16
}
],
"references": [],
"name": "allocates_rwx"
}
]Yara
The Yara rules did not detect anything in the file.
Network
{
"tls": [],
"udp": [
{
"src": "192.168.56.101",
"dst": "192.168.56.255",
"offset": 546,
"time": 3.0675389766693115,
"dport": 137,
"sport": 137
},
{
"src": "192.168.56.101",
"dst": "224.0.0.252",
"offset": 4102,
"time": 3.0295679569244385,
"dport": 5355,
"sport": 51001
},
{
"src": "192.168.56.101",
"dst": "224.0.0.252",
"offset": 4430,
"time": 1.0340778827667236,
"dport": 5355,
"sport": 53595
},
{
"src": "192.168.56.101",
"dst": "224.0.0.252",
"offset": 4758,
"time": 3.0413320064544678,
"dport": 5355,
"sport": 53848
},
{
"src": "192.168.56.101",
"dst": "224.0.0.252",
"offset": 5086,
"time": 1.6495778560638428,
"dport": 5355,
"sport": 54255
},
{
"src": "192.168.56.101",
"dst": "224.0.0.252",
"offset": 5414,
"time": -0.08174610137939453,
"dport": 5355,
"sport": 55314
},
{
"src": "192.168.56.101",
"dst": "239.255.255.250",
"offset": 5742,
"time": 1.5795738697052002,
"dport": 1900,
"sport": 1900
},
{
"src": "192.168.56.101",
"dst": "239.255.255.250",
"offset": 13304,
"time": 1.0627880096435547,
"dport": 3702,
"sport": 49152
},
{
"src": "192.168.56.101",
"dst": "239.255.255.250",
"offset": 17496,
"time": 3.1019489765167236,
"dport": 1900,
"sport": 53598
}
],
"dns_servers": [],
"http": [],
"icmp": [],
"smtp": [],
"tcp": [],
"smtp_ex": [],
"mitm": [],
"hosts": [],
"pcap_sha256": "d6b7faba5439bb723b4212bcca0453ec256aaaf57e575fa645125c919a335f42",
"dns": [],
"http_ex": [],
"domains": [],
"dead_hosts": [],
"sorted_pcap_sha256": "80dda143a9aeab004647abb59eae1b1f051788bc2bcd1fd9303618e7680c5381",
"irc": [],
"https_ex": []
}Screenshots
Hashes [?]
| Property | Value |
|---|---|
| MD5 | 5b4a90d8d2c61f0e6fe2ffef347696e9 |
| SHA256 | 89a90ef4e7db39e6c89f37527c66ca3ba14eee3ac3dc4fb40aae347fb2ed98b1 |
What will you do with asdk.dll?
To help other users, please let us know what you will do with asdk.dll:
What did other users do?
The poll result listed below shows what users chose to do with asdk.dll. 100% have voted for removal. Based on votes from 2 users.
| Votes | |||
|---|---|---|---|
| Keep | 0 % | 0 | |
| Remove | 100 % | 2 |
NOTE: Please do not use this poll as the only source of input to determine what you will do with asdk.dll. Only 2 users has voted so far so it does not offer a high degree of confidence.
Malware or legitimate?
If you feel that you need more information to determine if your should keep this file or remove it, please read this guide.
And now some shameless self promotion ;)
Hi, my name is Roger Karlsson. I've been running this website since 2006. I want to let you know about the FreeFixer program. FreeFixer is a freeware tool that analyzes your system and let you manually identify unwanted programs. Once you've identified some malware files, FreeFixer is pretty good at removing them. You can download FreeFixer here. It runs on Windows 2000/XP/2003/2008/2016/2019/Vista/7/8/8.1/10. Supports both 32- and 64-bit Windows.
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Comments
Please share with the other users what you think about this file. What does this file do? Is it legitimate or something that your computer is better without? Do you know how it was installed on your system? Did you install it yourself or did it come bundled with some other software? Is it running smoothly or do you get some error message? Any information that will help to document this file is welcome. Thank you for your contributions.
I'm reading all new comments so don't hesitate to post a question about the file. If I don't have the answer perhaps another user can help you.
mc writes