Adware.ISTBar
Emily Beck
Updated on March 03, 2026
What is Adware.ISTBar infection?
In this post you will certainly discover regarding the interpretation of Adware.ISTBar and also its adverse impact on your computer system. Such ransomware are a form of malware that is elaborated by on the internet scams to demand paying the ransom money by a victim.
In the majority of the instances, Adware.ISTBar infection will advise its targets to launch funds transfer for the purpose of neutralizing the modifications that the Trojan infection has actually introduced to the victim’s device.
Adware.ISTBar Summary
These alterations can be as follows:
- Reads data out of its own binary image;
- Unconventionial language used in binary resources: Spanish (Mexican);
- The binary likely contains encrypted or compressed data.;
- The executable is compressed using UPX;
- Network activity detected but not expressed in API logs;
- Ciphering the documents located on the victim’s hard disk drive — so the victim can no more use the data;
- Preventing normal access to the victim’s workstation;
Adware.ISTBar
The most typical channels where Adware.ISTBar are injected are:
- By methods of phishing e-mails;
- As a consequence of user winding up on a source that holds a harmful software;
As soon as the Trojan is effectively infused, it will either cipher the data on the sufferer’s computer or protect against the device from functioning in an appropriate manner – while likewise putting a ransom note that states the demand for the victims to effect the settlement for the objective of decrypting the papers or restoring the file system back to the initial problem. In the majority of instances, the ransom note will come up when the customer restarts the COMPUTER after the system has already been damaged.
Adware.ISTBar distribution channels.
In various corners of the world, Adware.ISTBar grows by leaps as well as bounds. However, the ransom money notes and techniques of extorting the ransom money amount may vary depending upon specific regional (regional) setups. The ransom notes and also techniques of extorting the ransom money quantity might differ depending on particular neighborhood (regional) setups.
For instance:
Faulty notifies regarding unlicensed software program.
In specific areas, the Trojans commonly wrongfully report having actually discovered some unlicensed applications made it possible for on the sufferer’s device. The sharp after that requires the individual to pay the ransom money.
Faulty declarations about illegal web content.
In countries where software piracy is less popular, this technique is not as efficient for the cyber scams. Additionally, the Adware.ISTBar popup alert may falsely claim to be deriving from a police establishment as well as will certainly report having situated youngster porn or other prohibited data on the gadget.
Adware.ISTBar popup alert may incorrectly assert to be obtaining from a law enforcement organization as well as will certainly report having situated child porn or other illegal information on the device. The alert will likewise include a requirement for the user to pay the ransom.
Technical details
File Info:
crc32: 12DC0AF2md5: 100ae215dab51282ba28dbe1221d4994name: 100AE215DAB51282BA28DBE1221D4994.mlwsha1: 0e2abdbec2df46fb410035ef295fe8bd9161ab74sha256: b1f7826497f06c5a310f6accd432d881ba20beeca52588ff709b874938de38edsha512: 707edc78eb3f8e20f44cc5f8167cdc68d77b9134a73670b87a253597536b0c39119d60cf53ad7ecba0b6afd772cc461876cc51bf8e6f0fee50891983c19bb1b3ssdeep: 3072:0I6WE63PT9wTinir4d6iNPyZ6dXve3D1Iir:0Ik2JwTiiriqgdXveOEtype: PE32 executable (GUI) Intel 80386, for MS Windows, UPX compressedVersion Info:
LegalCopyright: Copyright (C) 2014InternalName: ElisFileVersion: 2, 14, 4, 14CompanyName: Satinfo SL.PrivateBuild: LegalTrademarks: Comments: ProductName: Aplicacixf3n ElisSpecialBuild: ProductVersion: 2, 14, 4, 14FileDescription: Utilidad Anti-VirusOriginalFilename: Elis.EXETranslation: 0x0c0a 0x04b0
Adware.ISTBar also known as:
| GridinSoft | Trojan.Ransom.Gen |
| Bkav | W32.AIDetect.malware1 |
| K7AntiVirus | Trojan ( 0053af701 ) |
| Elastic | malicious (high confidence) |
| ALYac | Gen:Variant.Razy.262397 |
| Cylance | Unsafe |
| Zillya | Trojan.Blocker.Win32.25073 |
| Sangfor | Trojan.Win32.Save.a |
| Alibaba | Ransom:Win32/Blocker.77d94e94 |
| K7GW | Trojan ( 0053af701 ) |
| Cybereason | malicious.5dab51 |
| Symantec | ML.Attribute.HighConfidence |
| APEX | Malicious |
| Avast | Win32:Malware-gen |
| Kaspersky | Trojan-Ransom.Win32.Blocker.gfig |
| BitDefender | Gen:Variant.Razy.262397 |
| NANO-Antivirus | Trojan.Win32.Blocker.dloavf |
| SUPERAntiSpyware | |
| MicroWorld-eScan | Gen:Variant.Razy.262397 |
| Ad-Aware | Gen:Variant.Razy.262397 |
| Sophos | Mal/Generic-S |
| Comodo | TrojWare.Win32.TrojanDownloader.IstBar.~L@f815z |
| BitDefenderTheta | Gen:NN.ZexaF.34770.imLfayiqy4L |
| VIPRE | Backdoor.Win32.Hupigon.eml (fs) |
| McAfee-GW-Edition | BehavesLike.Win32.Dropper.cc |
| FireEye | Generic.mg.100ae215dab51282 |
| Emsisoft | Gen:Variant.Razy.262397 (B) |
| SentinelOne | Static AI – Malicious PE |
| Jiangmin | Trojan/Blocker.ksv |
| Webroot | W32.Malware.Gen |
| eGambit | Unsafe.AI_Score_99% |
| Kingsoft | Win32.Heur.KVM005.a.(kcloud) |
| Microsoft | Trojan:Win32/Occamy.CB1 |
| GData | Gen:Variant.Razy.262397 |
| AhnLab-V3 | Malware/Win32.Generic.C733175 |
| McAfee | GenericRXAA-FA!100AE215DAB5 |
| MAX | malware (ai score=100) |
| VBA32 | BScope.Trojan.DiskWriter |
| Malwarebytes | Adware.ISTBar |
| Panda | Trj/CI.A |
| Ikarus | Trojan-Dropper.Agent |
| Fortinet | W32/Blocker.GFIG!tr |
| AVG | Win32:Malware-gen |
| Paloalto | generic.ml |
| Qihoo-360 | Win32/Ransom.Blocker.HwsBEpsA |
How to remove Adware.ISTBar virus?
There is no better way to recognize, remove and prevent PC threats than to use an anti-malware software from GridinSoft">2.
Download GridinSoft Anti-Malware.
You can download GridinSoft Anti-Malware by clicking the button below:
Download GridinSoft Anti-MalwareRun the setup file.
When setup file has finished downloading, double-click on the setup-antimalware-fix.exe file to install GridinSoft Anti-Malware on your system.
An User Account Control asking you about to allow GridinSoft Anti-Malware to make changes to your device. So, you should click “Yes” to continue with the installation.
Press “Install” button.
Once installed, Anti-Malware will automatically run.
Wait for the Anti-Malware scan to complete.
GridinSoft Anti-Malware will automatically start scanning your system for Adware.ISTBar files and other malicious programs. This process can take a 20-30 minutes, so I suggest you periodically check on the status of the scan process.
Click on “Clean Now”.
When the scan has finished, you will see the list of infections that GridinSoft Anti-Malware has detected. To remove them click on the “Clean Now” button in right corner.
Are Your Protected?
GridinSoft Anti-Malware will scan and clean your PC for free in the trial period. The free version offer real-time protection for first 2 days. If you want to be fully protected at all times – I can recommended you to purchase a full version:
Full version of GridinSoft Anti-Malware
If the guide doesn’t help you to remove Adware.ISTBar you can always ask me in the comments for getting help.
References
- GridinSoft Anti-Malware Review from HowToFix site:
- More information about GridinSoft products:
